| Class Number |
Class Name |
No. of Patents |
| 44/608 |
"low-rank" coal (e.g., lignite, etc.) |
91 |
| 44/629 |
Apparatus for making or treating fuel composition |
92 |
| 44/634 |
Briquetting |
30 |
| 44/635 |
Plural operations |
29 |
| 44/636 |
With molding |
42 |
| 44/639 |
Liquid |
34 |
| 44/630 |
Peat |
7 |
| 44/633 |
Disintegrating |
3 |
| 44/631 |
Plural operations |
3 |
| 44/632 |
With molding |
5 |
| 44/541 |
Bundled, covered or wrapped |
51 |
| 44/275 |
Candle composition |
150 |
| 44/607 |
Carbonized component (e.g., coke, etc.) |
77 |
| 44/620 |
Coal treating process or product thereof |
198 |
| 44/621 |
Removal of undesirable |
102 |
| 44/627 |
Ash or ash-former |
137 |
| 44/622 |
Sulfur |
110 |
| 44/623 |
Using a transition metal-containing material |
42 |
| 44/624 |
Using liquid aqueous material |
105 |
| 44/625 |
And treatment with gas |
48 |
| 44/626 |
Water (e.g., drying, etc.) |
134 |
| 44/542 |
Coated or impregnated for easier ignition |
35 |
| 44/543 |
Solid fiber or particle in coating (e.g., sawdust, etc.) |
17 |
| 44/545 |
With normally-liquid material |
17 |
| 44/544 |
With wax |
35 |
| 44/506 |
Combined with friction igniting mass or surface |
6 |
| 44/507 |
Hand manipulable (e.g., match, etc.) |
21 |
| 44/508 |
Plural integral (e.g., string, etc.) |
2 |
| 44/509 |
Parallel |
3 |
| 44/510 |
With scratcher |
9 |
| 44/550 |
Consolidated solids (e.g., briquette, etc.) |
36 |
| 44/592 |
"low-rank" coal (e.g., lignite, etc.) |
41 |
| 44/591 |
Carbonized material (e.g., coke, etc.) |
67 |
| 44/593 |
Consolidation process using specified condition or technique |
58 |
| 44/598 |
Baking or drying of formed product |
38 |
| 44/595 |
Comminuting (e.g., grinding, etc.) |
40 |
| 44/594 |
Predrying or moistening |
42 |
| 44/596 |
Pressing |
66 |
| 44/597 |
With applied heat |
24 |
| 44/599 |
With chemical reaction (e.g., carbonizing.etc.) |
47 |
| 44/551 |
Containing specified binder |
37 |
| 44/564 |
Tar, pitch, or tar oil |
19 |
| 44/568 |
Solid fuel, or solid fuel and water, are the only other components of the composition |
30 |
| 44/566 |
With elemental metal, metal oxide, limestone, or inorganic metal salt (e.g., lime, etc.) |
5 |
| 44/567 |
With fibrous vegetable material (e.g., cellulose, wood, paper, sawdust, etc.) |
6 |
| 44/565 |
With nonfibrous carbohydrate (e.g., molasses, starch, etc.) |
3 |
| 44/569 |
With bitumen or asphaltic material |
26 |
| 44/570 |
With elemental metal, metal oxide, limestone, or inorganic metal salt (e.g., lime, etc.) |
4 |
| 44/571 |
With paraffin, liquid hydrocarbon, or wax hydrocarbon |
5 |
| 44/555 |
With glue or gelatin |
4 |
| 44/559 |
With gypsum or silicon-containing material (e.g., clay, portland cement, water glass, etc.) |
21 |
| 44/563 |
With fibrous vegetable material, resin, or organic -c(=o)- compound (e.g., rosin, tall oil, tallow, pine resin, etc.) |
12 |
| 44/560 |
With nonfibrous carbohydrate (e.g., molasses, starch, etc.) |
9 |
| 44/562 |
With paraffin, liquid hydrocarbon, or wax hydrocarbon |
4 |
| 44/561 |
With pitch, tar, tar oil, or bitumen |
5 |
| 44/578 |
With lignin, lignin derivative, or sulfite liquor (e.g., lignones, lignosulfonates, etc.) |
20 |
| 44/580 |
With limestone, elemental metal, elemental sulfur, or inorganic compound (except water) |
34 |
| 44/577 |
With nonfibrous carbohydrate (e.g., molasses, starch, etc.) |
24 |
| 44/556 |
With nonproteinaceous organic nitrogen compound (e.g., hexamethylenetetramine, alkanolamine salts, etc.) |
7 |
| 44/558 |
With oxidant (e.g., nitrates, chlorates, chromates, permanganates, black manganese oxide, etc.) |
12 |
| 44/572 |
With paraffin, liquid hydrocarbon, or wax hydrocarbon |
31 |
| 44/575 |
With elemental metal, metal oxide, limestone, or inorganic metal salt (e.g., lime, etc.) |
5 |
| 44/576 |
With fibrous vegetable material (e.g., cellulose, wood, paper, sawdust, etc.) |
25 |
| 44/574 |
With preliminary purification of coal (e.g., oil agglomerates of desulfurized or deashed coal, etc.) |
37 |
| 44/573 |
With resin or organic -c(=o)o- compound (e.g., rosin, tall oil, tallow, pine resin, carboxylic acid esters, etc.) |
4 |
| 44/557 |
With phosphorus- or boron-containing compound |
12 |
| 44/579 |
With rubber, resin, or organic -c(=o)o- compound (e.g., rosin, tall oil, tallow, pine resin, carboxylic acids, etc.) |
13 |
| 44/552 |
With sewage, animal blood, or animal manure |
24 |
| 44/553 |
With synthetic organic polymer prepared by polymerizing specified monomer (e.g., polyacrylonitrile, urea-formaldehyde resins, etc.) |
41 |
| 44/554 |
With vegetable flour, vegetable meal, or dairy product |
6 |
| 44/589 |
Vegetation or refuse |
92 |
| 44/590 |
Wood, sawdust or paper |
81 |
| 44/642 |
Flame colorant composition |
16 |
| 44/250 |
Flameless or glowless |
14 |
| 44/251 |
Activatable by or containing water |
16 |
| 44/252 |
Free metal-containing |
11 |
| 44/253 |
With organic or second elemental material |
12 |
| 44/605 |
From vegetation or refuse |
103 |
| 44/606 |
Wood, sawdust or paper |
56 |
| 44/901 |
Fuel combined with material to be heated |
5 |
| 44/902 |
Flameless or glowless, e.g., hair curler, etc. |
3 |
| 44/520 |
Fuel product having passageway for gas |
24 |
| 44/521 |
Plural elements, with passageway unobstructed from side to opposite side |
5 |
| 44/522 |
Single element having aperture |
20 |
| 44/530 |
Fuel product of defined shape or structure |
73 |
| 44/531 |
Composed of moveable (e.g., articulated, etc.) or readily-breakable sections |
17 |
| 44/535 |
Cylindrical (e.g., log, etc.) |
71 |
| 44/532 |
Shaped or arranged for easier ignition |
45 |
| 44/533 |
And containing easier-igniting material |
35 |
| 44/534 |
Material acts as at least part of a wrapper or packaging |
23 |
| 44/300 |
Liquid fuels (excluding fuels that are exclusively mixtures of liquid hydrocarbons) |
102 |
| 44/354 |
Aluminum or heavy metal, other than lead, containing |
58 |
| 44/357 |
Inorganic compound of zr, cr, cu, zn, or ni |
24 |
| 44/355 |
Inorganic metal carbonyl compound (e.g., iron carbonyl, etc.) |
6 |
| 44/356 |
With organic -c(=o)o- containing compound (e.g., carboxylic acids, esters, etc.) |
2 |
| 44/358 |
Organic compound containing the heavy metal or aluminum |
66 |
| 44/361 |
Five-membered, unsaturated carbocycle bonded directly to the heavy metal or aluminum (e.g., ferrocene, etc.) |
30 |
| 44/363 |
Heavy metal or aluminum carboxylate salt or complex |
54 |
| 44/364 |
The heavy metal is cr, zr, or a lanthanide |
33 |
| 44/362 |
Heavy metal or aluminum complex of compounds having two -c(=x)- groups, wherein x is chalcogen, bonded to the same carbon, or enols thereof (e.g., iron acetylacetonate, etc.) |
23 |
| 44/366 |
Heavy metal or aluminum salt of organic phosphorus acid |
20 |
| 44/365 |
Heavy metal or aluminum sulfonate salt or complex |
22 |
| 44/359 |
Metal carbonyl compound (e.g., cyclopentadienyl manganese tricarbonyl, etc.) |
42 |
| 44/360 |
Substituted or unsubstituted cyclopentadienyl manganese tricarbonyl, with an organic compound having -c(=o)o- not bonded to heavy metal or aluminum etc.) |
26 |
| 44/367 |
Nitrogen bonded directly or indirectly to the heavy metal or aluminum |
41 |
| 44/368 |
Organic compound containing arsenic, antimony, or bismuth |
2 |
| 44/314 |
Boron containing |
22 |
| 44/317 |
Nitrogen attached directly or indirectly to the boron |
35 |
| 44/315 |
Phosphorus attached directly or indirectly to the boron |
5 |
| 44/316 |
Three carbons or three fluorines bonded directly to the boron |
5 |
| 44/318 |
Three identical or diverse chalcogens bonded directly to the boron |
14 |
| 44/319 |
Carbon, chalcogen, and boron in the same ring |
7 |
| 44/313 |
Carbohydrate containing |
17 |
| 44/369 |
Containing -o-s(=o)(=o)o- or -o-s(=o)o- attached directly or indirectly to carbon by nonionic bonding (e.g., sulfate esters, sulfite esters, etc.) |
8 |
| 44/323 |
Containing -x-n(=x) or -x-n(=x)(=x) bonded directly to carbon, wherein the x's are the same or diverse chalcogens (e.g., thionitrite esters, etc.) |
11 |
| 44/324 |
Nitrates or thionitrates (i.e., -x-n(=o)(=o) bonded directly to carbon) |
34 |
| 44/326 |
With organic non-nitrate chalcogen compound |
38 |
| 44/325 |
With organic non-nitrate nitrogen compound |
19 |
| 44/322 |
Containing acyclic oxygen single bonded to acyclic oxygen (i.e., peroxy compounds) |
28 |
| 44/375 |
Containing compound having phosphorus bonded directly to chalcogen and directly or indirectly to carbon by nonionic bonding (e.g., alkyl acid phosphates, etc.) |
17 |
| 44/378 |
Carbon bonded directly to the phosphorus |
11 |
| 44/379 |
Chalcogen or halogen attached indirectly to the phosphorus by acyclic nonionic bonding |
19 |
| 44/376 |
Nitrogen attached to the phosphorus directly or indirectly by acyclic nonionic bonding |
9 |
| 44/377 |
Lecithin or indeterminate structure reaction product thereof |
2 |
| 44/380 |
Organic nitrogen compound salt of organic phosphorus acids |
10 |
| 44/381 |
Chalcogen or additional nitrogen in the organic nitrogen compound |
8 |
| 44/382 |
Phosphorus triester |
14 |
| 44/385 |
Containing organic -c(=o)o- compound (e.g., fatty acids, etc.) |
104 |
| 44/386 |
Compound of indeterminate structure prepared by reacting an organic -c(=o)o- compound |
114 |
| 44/405 |
Nitrogen attached indirectly to the -c(=o)o- group by acyclic nonionic bonding |
24 |
| 44/406 |
The nitrogen is bonded directly to an additional -c(=o)- group |
15 |
| 44/407 |
Plural nitrogens or plural chalcogens attached indirectly to the -c(=o)o- group by acyclic nonionic bonding |
25 |
| 44/410 |
Nitrogen or chalcogen attached indirectly to the -c(=o)o- group by nonionic bonding |
36 |
| 44/387 |
Nitrogen or oxygen bonded directly to the carbon of the -c(=o)o- group (e.g., carbamic and carbonic compounds, etc.) |
90 |
| 44/408 |
Organic nitrogen compound salt of carboxylic acids |
56 |
| 44/409 |
Plural nitrogens in the organic nitrogen compound (e.g., diamines, aminoamides, guanidines, etc.) |
13 |
| 44/403 |
Plural -c(=o)o- groups attached to each other directly or indirectly by nonionic bonding |
79 |
| 44/404 |
Carboxylic acid dimer, trimer, or homopolymer |
25 |
| 44/388 |
The single bonded oxygen is bonded directly to an additional carbon, which carbon may be single bonded to any element but may be multiple bonded only to carbon (i.e., carboxylic acid esters) |
110 |
| 44/401 |
Alkyl ester of formic or alkanoic acids |
18 |
| 44/402 |
With alkanol or dialkyl ether |
13 |
| 44/400 |
Chalcogen or halogen attached indirectly to the -c(=o)o- group by nonionic bonding |
75 |
| 44/399 |
Nitrogen attached indirectly to the -c(=o)o- group by nonionic bonding |
72 |
| 44/389 |
Plural -c(=o)o- groups attached to each other directly or indirectly by nonionic bonding (e.g., polyesters, half ester-half acid compounds, etc.) |
103 |
| 44/393 |
Copolymer of olefinically unsaturated hydrocarbon monomer and additional monomer (e.g., ethylene-vinyl acetate copolymers, etc.) |
120 |
| 44/396 |
One of the monomers contains a benzene ring (e.g., styrene, etc.) |
14 |
| 44/395 |
With additional synthetic nonhydrocarbon polymer |
44 |
| 44/394 |
With organic nitrogen compound |
57 |
| 44/390 |
Halogen or sulfur attached indirectly to the -c(=o)o- by nonionic bonding |
41 |
| 44/398 |
Mono- di-, or polyester of polycarboxylic acids |
69 |
| 44/391 |
Nitrogen attached indirectly to the -c(=o)o- by nonionic bonding |
66 |
| 44/392 |
Product polymerized through an olefinic double bond |
24 |
| 44/397 |
Polymer or copolymer of nonhydrocarbon olefinically unsaturated monomers polymerized through an olefinic double bond (e.g., trimer esters, etc.) |
55 |
| 44/411 |
With alkanol, ketone, or phenol |
12 |
| 44/383 |
Containing organic -c(=x)x- compound, wherein the x's are the same or diverse chalcogens, with at least one x being sulfur |
17 |
| 44/370 |
Containing organic -s(=o)(=o)o- compound (i.e., sulfonates) |
43 |
| 44/372 |
Hydrazine or organic nitrogen compound salts of sulfonic acids |
14 |
| 44/371 |
Nitrogen or -c(=x)-, wherein x is chalcogen, attached indirectly to the sulfonate group by nonionic bonding |
17 |
| 44/373 |
Overbased sulfonate or carbonated alkaline earth metal sulfonate |
18 |
| 44/374 |
With organic -c(=o)o- compound (e.g., carboxylic acids, esters, etc.) |
7 |
| 44/301 |
Emulsion fuel (e.g., water-gasoline emulsions, etc.) |
231 |
| 44/302 |
Alkanol component |
122 |
| 44/321 |
Free metal or alloy containing |
28 |
| 44/456 |
Halogen bonded directly to carbon |
27 |
| 44/329 |
Heterocyclic carbon compound containing a hetero ring having chalcogen or nitrogen as the only ring hetero atoms |
40 |
| 44/330 |
Compound of indeterminate structure prepared by reacting a heterocyclic compound of known structure |
54 |
| 44/331 |
The heterocyclic compound reactant is a dicarboxylic acid anhydride (e.g., reaction product of succinic anhydride with a polyamine, etc.) |
122 |
| 44/332 |
The heterocyclic compound reactant is an oxirane (e.g., reaction product of epihalohydrin with amine, epoxide reactions, etc.) |
33 |
| 44/350 |
The hetero ring contains five members including carbon and chalcogen |
27 |
| 44/351 |
Acyclic chalcogen bonded directly to ring carbon of the hetero ring (e.g., five-membered lactones, anhydrides, sorbitans, etc.) |
52 |
| 44/352 |
Ring carbons of the hetero ring are unsubstituted or hydrocarbyl substituted only |
23 |
| 44/340 |
The hetero ring contains five members including nitrogen and carbon (e.g., pyrrolidones, porphines, etc.) |
61 |
| 44/347 |
Acyclic chalcogen bonded directly to each carbon adjacent to the ring nitrogen (e.g., succinimides, etc.) |
116 |
| 44/348 |
Substituent on the ring nitrogen contains an acyclic -c(=x)- group, wherein x is chalcogen |
40 |
| 44/341 |
Chalcogen in the hetero ring |
58 |
| 44/342 |
Plural nitrogens in the hetero ring (e.g., imidazolines, etc.) |
29 |
| 44/343 |
At least three nitrogens in the hetero ring (e.g., triazoles, tetrazoles, etc.) |
28 |
| 44/345 |
Carboxylic acid salt of the hetero ring compound, or a free carboxylic acid is present |
4 |
| 44/344 |
Having -c(=x)-, wherein x is chalcogen or nh, attached indirectly to the hetero ring by nonionic bonding |
23 |
| 44/346 |
Polymeric or copolymeric compound having plural occurrences of the hetero ring (e.g., alpha-olefin maleimide copolymers, etc.) |
41 |
| 44/349 |
The hetero ring contains six members including carbon and chalcogen (e.g., six-membered sorbitans, ketone peroxides, etc.) |
33 |
| 44/333 |
The hetero ring contains six members including nitrogen and carbon |
54 |
| 44/338 |
Acyclic chalcogen or acyclic nitrogen bonded directly to ring carbon of the hetero ring |
24 |
| 44/334 |
Chalcogen in the hetero ring |
62 |
| 44/335 |
Plural nitrogens in the hetero ring (e.g., piperazines, etc.) |
68 |
| 44/336 |
Triazine or 1,3-diazine |
34 |
| 44/337 |
Polymer or copolymer of a vinyl pyridine |
17 |
| 44/339 |
The hetero ring is unsubstituted or hydrocarbyl substituted only, or salts thereof (e.g., pyridyl salicylate salts, isoquinoline, etc.) |
15 |
| 44/353 |
The hetero ring contains three or four members |
15 |
| 44/457 |
Inorganic component (e.g., carbon dioxide, etc.) |
80 |
| 44/458 |
Nitrogen or sulfur containing (e.g., carbon disulfide, etc.) |
24 |
| 44/454 |
Lead-containing organic compound |
5 |
| 44/455 |
With inorganic additive |
0 |
| 44/327 |
Organic azide compound, or organic compound having acyclic nitrogen double bonded to acyclic nitrogen (e.g., diazo compounds, etc.) |
9 |
| 44/328 |
Azo compound (i.e., each of the nitrogens is single bonded to carbon) |
33 |
| 44/384 |
Organic compound containing -nc or -cn group |
53 |
| 44/304 |
Organic compound of indeterminate structure which is a reaction product of an organic compound with sulfur halide or elemental sulfur containing |
19 |
| 44/412 |
Organic nitrogen compound containing |
115 |
| 44/424 |
Benzene ring attached indirectly to the nitrogen by acyclic nonionic bonding |
46 |
| 44/425 |
Additional nitrogen attached indirectly to the nitrogen by acyclic nonionic bonding |
43 |
| 44/426 |
Benzene ring bonded directly to the nitrogen |
35 |
| 44/427 |
Chalcogen attached directly or indirectly to the benzene ring by nonionic bonding |
18 |
| 44/428 |
Acyclic carbon bonded directly to the nitrogen |
15 |
| 44/430 |
Plural nitrogens bonded to the same benzene |
9 |
| 44/431 |
Plural rings bonded to the same nitrogen atom |
2 |
| 44/429 |
The benzene ring is part of a polycyclo ring system |
7 |
| 44/420 |
Carbon double bonded to the nitrogen |
19 |
| 44/421 |
Plural nitrogens attached indirectly to each other by acyclic nonionic bonding |
20 |
| 44/434 |
Chalcogen or halogen attached indirectly to the nitrogen by acyclic nonionic bonding |
86 |
| 44/423 |
Chalcogen or phosphorus attached directly to the nitrogen by nonionic bonding |
24 |
| 44/415 |
Compound of indeterminate structure prepared by reacting a phenol, an aldehyde, and ammonia or substituted ammonia |
68 |
| 44/418 |
Having -c(=x)- bonded directly to the nitrogen, wherein x is chalcogen |
138 |
| 44/419 |
Additional nitrogen attached indirectly to the -c(=x)- group by acyclic nonionic bonding |
102 |
| 44/413 |
Nitro or nitroso bonded directly to carbon |
40 |
| 44/414 |
The carbon is acyclic or alicyclic |
19 |
| 44/432 |
Plural nitrogens attached indirectly to each other by acyclic nonionic bonding |
91 |
| 44/433 |
Chalcogen attached indirectly to one of the nitrogens by acyclic nonionic bonding |
77 |
| 44/417 |
Plural nitrogens bonded directly to the same -c(=x)- group, wherein x is chalcogen (e.g., ureas, etc.) |
16 |
| 44/422 |
Quaternary ammonium salt or amine oxide |
24 |
| 44/416 |
The nitrogen is single bonded directly to nitrogen |
8 |
| 44/309 |
Organic oxidate of indeterminate composition containing (e.g., paraffin wax oxidate or petroleum oxidate, etc.) |
18 |
| 44/310 |
Chemically reacted organic oxidate (e.g., esterified, etc.) |
6 |
| 44/436 |
Organic oxygen compound containing (e.g., alicyclic alcohols, hypochlorites, etc.) |
37 |
| 44/446 |
Alkanol compound with dialkyl ether compound |
38 |
| 44/451 |
Alkanol |
167 |
| 44/453 |
Dehydration processes, and products thereof |
22 |
| 44/452 |
Mixture of alkanols |
71 |
| 44/447 |
Ether |
80 |
| 44/448 |
Dialkyl ether |
63 |
| 44/449 |
Tertiary carbon bonded directly to the ether oxygen |
70 |
| 44/441 |
Oxygen bonded directly to a polycyclo carbocyclic ring system |
11 |
| 44/450 |
Phenol or salt thereof |
47 |
| 44/440 |
Plural benzene rings bonded directly to each other or to the same acyclic carbon |
25 |
| 44/443 |
Plural oxygens attached indirectly to each other by acyclic nonionic bonding |
101 |
| 44/445 |
All the oxygens are present as -oh groups (e.g., glycols, triols, etc.) |
29 |
| 44/444 |
Plural oxygens bonded directly to the same acyclic or alicyclic carbon (e.g., acetals, etc.) |
24 |
| 44/442 |
Plural oxygens bonded directly to the same monocyclic benzene ring |
16 |
| 44/437 |
The oxygen is part of a -c(=o)- group |
46 |
| 44/439 |
Acyclic ketone |
38 |
| 44/438 |
With alkanol or dialkyl ether |
39 |
| 44/303 |
Oxo still bottoms containing (i.e., distillation residues from reaction product of carbon monoxide, hydrogen, and olefin) |
1 |
| 44/305 |
Phosphosulfurized or phosphooxidized organic compound of indeterminate structure containing (i.e., reaction products of organic compounds with phosphorus sulfides or oxides) |
8 |
| 44/307 |
Plant or animal extract mixtures or extracts of indeterminate structure containing |
44 |
| 44/308 |
Containig triglycerides (e.g., castor oil, corn oil, olive oil, lard, etc.) |
48 |
| 44/312 |
Quinone or anthraquinone containing (e.g., quinhydrone, benzoquinones, etc.) |
10 |
| 44/306 |
Rosin, tall oil, or derivatives thereof containing (except abietic acids or fatty acids derived therefrom) |
9 |
| 44/320 |
Silicon containing |
52 |
| 44/311 |
Sludge, pitch, tar, or tar distillate containing |
30 |
| 44/459 |
Solid hydrocarbon polymer containing |
72 |
| 44/435 |
Sulfur or phosphorus attached directly or indirectly, by nonionic bonding, to carbon of an organic compound |
44 |
| 44/643 |
Match scratcher composition or structure |
8 |
| 44/511 |
Match splint or stick |
7 |
| 44/512 |
Process of making |
11 |
| 44/903 |
Method including measuring, testing or automatic control |
27 |
| 44/905 |
Method involving added catalyst |
24 |
| 44/904 |
Method involving electric or wave energy |
31 |
| 44/628 |
Miscellaneous fuel composition |
83 |
| 44/500 |
Particulate (e.g., powdered, etc.) |
52 |
| 44/504 |
Mixed with particles of different composition |
31 |
| 44/503 |
Mixed with particles of different size |
15 |
| 44/505 |
Process including removal of undesirable |
63 |
| 44/502 |
Solid particle containing liquid fuel |
36 |
| 44/501 |
Treated to reduce spontaneous ignition |
53 |
| 44/490 |
Peat |
26 |
| 44/491 |
Briquet |
13 |
| 44/492 |
Process including heat |
28 |
| 44/519 |
Provided with wick or fuse |
31 |
| 44/280 |
Solid carbonaceous fuel dispersed in a liquid medium (e.g., dispersed coal, coke, carbon powder, peat, etc.) |
234 |
| 44/281 |
The liquid medium is, or contains, hydrocarbon |
143 |
| 44/282 |
Liquid hydrocarbon, or liquid hydrocarbon and water, are the only components |
110 |
| 44/641 |
Solid fuel combustion improving composition |
24 |
| 44/265 |
Solidified liquid (e.g., gel, etc.) |
37 |
| 44/266 |
Liquid alkanol base |
23 |
| 44/267 |
With carbohydrate (e.g., cellulose compound, cotton, etc.) |
12 |
| 44/268 |
Liquid hydrocarbon base (e.g., gasoline, etc.) |
25 |
| 44/272 |
With organic -c(=x)x- compound, wherein the x's are the same or diverse chalcogens (e.g., aluminum carboxylates, rosin salts, etc.) |
13 |
| 44/270 |
With organic nitrogen compound |
19 |
| 44/271 |
With organic polymer polymerized through olefinic or acetylenic bond (e.g., methacrylate polymers, polypropylene, etc.) |
15 |
| 44/269 |
With plant derivative of unknown composition (except rosin or rosin derivatives) or carbohydrate |
10 |
| 44/640 |
Wall deposit preventing or removing composition (e.g., soot removal, etc.) |
27 |
| 44/602 |
With antidusting additive |
38 |
| 44/601 |
With antifreezing additive or treatment |
16 |
| 44/600 |
With appearance modifying additive or treatment |
18 |
| 44/603 |
With combustion improver |
52 |
| 44/604 |
Sulfur bindant |
49 |
| 44/540 |
With incombustible carrier (e.g., torch, etc.) |
22 |
