| Class Number |
Class Name |
No. of Patents |
| | Organic compounds (class 532, subclass 1) | |
| 536/1.11 |
Carbohydrates or derivatives |
591 |
| 536/3 |
Algin or derivative |
128 |
| 536/56 |
Cellulose or derivative |
473 |
| 536/58 |
Esters |
141 |
| 536/63 |
Carboxylic acid esters |
141 |
| 536/69 |
Acetates |
139 |
| 536/83 |
Halogen containing compound utilized in process |
12 |
| 536/76 |
Subsequent treatment process |
92 |
| 536/77 |
Comminuting or centrifuging |
11 |
| 536/79 |
Corrosiveness reduced |
6 |
| 536/82 |
Halogen containing compound utilized in process |
21 |
| 536/78 |
Recovery from photographic film |
7 |
| 536/81 |
Stabilizing |
11 |
| 536/80 |
Viscosity or degree of polymerization changed (e.g., degrading, cross linking, etc.) |
35 |
| 536/70 |
With pretreatment process |
32 |
| 536/71 |
Acetic acid utilized in pretreatment |
29 |
| 536/72 |
Halogen containing compound utilized in process |
8 |
| 536/73 |
Sulfur containing compound utilized in pretreatment |
10 |
| 536/75 |
Halogen containing compound utilized in process |
6 |
| 536/74 |
Sulfur containing compound utilized in pretreatment |
8 |
| 536/66 |
Ether-esters |
45 |
| 536/67 |
Formates |
17 |
| 536/64 |
Mixed carboxylate esters |
61 |
| 536/65 |
Propionate, butyrate or isobutyrate containing |
56 |
| 536/68 |
Propionates, butyrates or isobutyrates |
46 |
| 536/62 |
Phosphorus containing acid |
30 |
| 536/59 |
Sulfur containing acid |
68 |
| 536/60 |
Xanthate or viscose |
36 |
| 536/61 |
Subsequent treatment process |
33 |
| 536/84 |
Ethers |
223 |
| 536/99 |
Alkyl or cycloalkyl |
68 |
| 536/100 |
Ethyl |
41 |
| 536/97 |
Carboxyalkyl or salts thereof |
47 |
| 536/98 |
Carboxymethyl or salts thereof |
113 |
| 536/95 |
Hydroxyalkyl containing |
97 |
| 536/96 |
Hydroxyethyl |
88 |
| 536/90 |
Mixed ethers |
105 |
| 536/91 |
Hydroxyalkyl containing |
136 |
| 536/85 |
Subsequent treatment process |
94 |
| 536/89 |
Acid employed in subsequent treatment |
29 |
| 536/86 |
Comminuting |
24 |
| 536/87 |
Liquid interaction properties changed (e.g., solubility, absorbability, etc.) |
63 |
| 536/88 |
Viscosity, degree of polymerization or heat stability changed (e.g., degrading, cross-linking, etc.) |
86 |
| 536/92 |
Sulfur containing |
41 |
| 536/93 |
Unsaturated |
25 |
| 536/94 |
Aromatic nucleus containing |
14 |
| 536/101 |
Metal containing |
59 |
| 536/57 |
Regenerated cellulose |
120 |
| 536/112 |
Dextran or derivative |
226 |
| 536/113 |
Iron containing |
30 |
| 536/115 |
Esters |
326 |
| 536/119 |
Carboxylic |
433 |
| 536/116 |
Ether-esters |
110 |
| 536/117 |
Phosphorus containing |
178 |
| 536/118 |
Sulfur containing |
205 |
| 536/120 |
Ethers |
446 |
| 536/114 |
Gums or derivatives |
383 |
| 536/121 |
Metal containing |
180 |
| 536/18.7 |
Nitrogen containing |
687 |
| 536/29.2 |
C-glycosides wherein the sugar ring is bonded directly to carbon of an n-hetero ring (e.g., 9-deazaadenosines, etc.) |
47 |
| 536/30 |
Cellulose derivatives |
141 |
| 536/32 |
Esters |
71 |
| 536/35 |
Nitrates |
23 |
| 536/36 |
Mixed esters |
17 |
| 536/38 |
Subsequent treatment process |
28 |
| 536/39 |
Comminuting |
2 |
| 536/40 |
Recovery from photographic film |
3 |
| 536/42 |
Stabilizing |
4 |
| 536/41 |
Viscosity or degree of polymerization changed (e.g., degrading, cross linking, etc.) |
21 |
| 536/37 |
With pretreatment process |
9 |
| 536/34 |
Phosphorus containing acid |
11 |
| 536/33 |
Sulfur containing acid |
20 |
| 536/43 |
Ethers |
89 |
| 536/44 |
Mixed ethers |
43 |
| 536/31 |
Nitrogen containing hetero ring (e.g., morpholine, etc.) |
43 |
| 536/20 |
Chitin or derivative |
342 |
| 536/51 |
Dextran derivatives |
105 |
| 536/55.2 |
Glucosamine containing |
311 |
| 536/52 |
Gum derivatives |
60 |
| 536/21 |
Heparin or derivative |
341 |
| 536/22.1 |
N-glycosides, polymers thereof, metal derivatives (e.g., nucleic acids, oligonucleotides, etc.) |
1848 |
| 536/25.2 |
2`-5` linked rna |
58 |
| 536/25.1 |
3`-5` linked rna |
120 |
| 536/23.1 |
Dna or rna fragments or modified forms thereof (e.g., genes, etc.) |
13915 |
| 536/23.4 |
Encodes a fusion protein |
2294 |
| 536/23.7 |
Encodes a microbial polypeptide |
2648 |
| 536/23.71 |
Bacillus thuringiensis insect toxin |
293 |
| 536/23.74 |
Fungal protein |
280 |
| 536/23.72 |
Viral protein |
1502 |
| 536/23.6 |
Encodes a plant polypeptide |
2015 |
| 536/23.5 |
Encodes an animal polypeptide |
6948 |
| 536/23.51 |
Hormone |
596 |
| 536/23.53 |
Immunoglobulin |
485 |
| 536/23.52 |
Interferon |
176 |
| 536/23.2 |
Encodes an enzyme |
6717 |
| 536/24.2 |
Non-coding sequences having no known regulatory function which are adaptors or linkers for vector or gene contruction |
427 |
| 536/24.1 |
Non-coding sequences which control transcription or translation processes (e.g., promoters, operators, enhancers, ribosome binding sites, etc.) |
3780 |
| 536/24.5 |
Nucleic acid expression inhibitors |
2102 |
| 536/24.3 |
Probes for detection of specific nucleotide sequences or primers for the synthesis of dna or rna |
4949 |
| 536/24.33 |
Primers |
3186 |
| 536/24.31 |
Probes for detection of animal nucleotide sequences |
2780 |
| 536/24.32 |
Probes for detection of microbial nucleotide sequences |
1800 |
| 536/25.5 |
Homopolymers having repeating sequences of four or more identical nucleotide units |
72 |
| 536/28.6 |
N-glycosides wherein the n is part of a five-membered hetero ring (e.g., selenazole nucleosides, pyrrole nucleosides, etc.) |
63 |
| 536/28.7 |
Plural nitrogens in the n-hetero ring (e.g., triazoles, etc.) |
50 |
| 536/28.8 |
The n-hetero ring is a 1,3-diazole ring, including hydrogenated (e.g., imidazoles, etc.) |
51 |
| 536/28.9 |
Benzimidazoles |
29 |
| 536/28.1 |
N-glycosides wherein the n is part of a six-membered hetero ring (e.g., diazines, etc.) |
194 |
| 536/28.2 |
Multideoxy or didehydro |
157 |
| 536/28.4 |
The n-hetero ring is a 1,3-diazine ring, including hydrogenated (e.g., pyrimidines, etc.) |
116 |
| 536/28.53 |
Chalcogen bonded directly to the 2- and 4-positions of the diazine ring (e.g., uridine, etc.) |
259 |
| 536/28.54 |
Alkyl, or substituted alkyl, bonded directly to the 5-position of the diazine ring (e.g., thymidine, 5-methyl uridine, etc.) |
231 |
| 536/28.55 |
Halogen bonded directly to the 5-position of the diazine ring (e.g., 5-fluorouridine, etc.) |
141 |
| 536/28.5 |
Nitrogen, other than nitro or nitroso, bonded directly to the 4-position, and chalcogen bonded directly to the 2-position of the diazine ring (e.g., cytidines, etc.) |
282 |
| 536/28.52 |
Halogen or alkyl group of 1-5 carbon atoms bonded directly to the 5-position of the diazine ring |
140 |
| 536/28.51 |
Having chalcogen, carbonyl, or thiocarbonyl bonded directly to the 4-position substituent nitrogen |
103 |
| 536/28.3 |
The n-hetero ring is a triazine ring, including hydrogenated (e.g., 6-azauridine, etc.) |
42 |
| 536/27.1 |
N-glycosides wherein the n is part of an n-hetero ring which hetero ring is part of a polycyclo ring system containing an n-hetero ring and an additional hetero ring (e.g., rebeccamycin, etc.) |
180 |
| 536/27.13 |
Bicyclic ring system consisting of the n-hetero ring fused to another hetero ring (e.g., 2-azaadenines, 6-azaadenines, etc.) |
128 |
| 536/27.14 |
Multideoxy or didehydro |
145 |
| 536/27.2 |
The bicyclic ring system consists of a 1,3-diazine ring, which may be hydrogenated, fused to a five-membered n-hetero ring (e.g., purine isoesters like tubercidin, toyocamycin, sangivamycin, sparsomycin a, etc.) |
100 |
| 536/27.21 |
The five-membered n-hetero ring is 1,3-diazole, which may be hydrogenated (e.g., 6-chloropurine nucleoside, nebularin, etc.) |
115 |
| 536/27.4 |
Arabinose is sugar moiety |
70 |
| 536/27.23 |
Carbonyl, thiocarbonyl, additional hetero ring or nitrogen, other than as nitro or nitroso, attached indirectly to the sugar ring by acyclic nonionic bonding |
70 |
| 536/27.3 |
Adenosyl |
111 |
| 536/27.31 |
S-adenosyl-l-methionine, s-adenosyl-l-homocysteine, salts, or esters thereof |
33 |
| 536/27.22 |
Carbonyl, thiocarbonyl, or nitrogen, other than as nitro or nitroso, bonded directly to the sugar ring |
54 |
| 536/27.8 |
Chalcogen bonded directly to the 6- or 2-position of a purine ring system (e.g., inosine, etc.) |
139 |
| 536/27.81 |
Nitrogen, other than nitro or nitroso, bonded directly to the 2-position of the purine ring system (e.g., guanosine, etc.) |
191 |
| 536/27.5 |
Ketose is sugar moiety (e.g., decoyinine, psicofuranosylpurines, etc.) |
7 |
| 536/27.6 |
Nitrogen, other than nitro or nitroso, bonded directly to the 6-position of a purine ring system (e.g., adenosine, etc.) |
262 |
| 536/27.61 |
Additional nitrogen bonded directly to the 2-position of the purine ring system |
103 |
| 536/27.7 |
Chalcogen, halogen, or benzene bonded directly to carbon of the purine ring system (e.g., isoguanosine, 2-fluoroadenosine, etc.) |
92 |
| 536/27.62 |
Nitrogen, chalcogen, or additional carbon bonded directly to the 6-position nitrogen (e.g., 6-position nitrogen is substituted, etc.) |
159 |
| 536/27.63 |
Halogen, chalcogen, or cyano bonded directly to the 2-position of the purine ring system |
130 |
| 536/27.11 |
Preparing by cleaving nucleic acids or by attaching an n-heterocyclic base to a sugar ring |
110 |
| 536/27.12 |
Separation or purification (e.g., resolving isomeric mixtures, etc.) |
36 |
| 536/29.1 |
Nitrogen of n-glycoside is acyclic nitrogen |
96 |
| 536/29.11 |
N-hetero ring bonded directly or indirectly to the acyclic nitrogen |
30 |
| 536/29.13 |
Sulfur containing (e.g., sulfides, sulfones, sulfates, sulfonamides, etc.) |
10 |
| 536/29.12 |
The acyclic nitrogen is part of a urea or thiourea group |
47 |
| 536/25.6 |
Nucleic acids which include two or three nucleotide units |
147 |
| 536/26.1 |
Phosphorus containing n-glycoside wherein the n is part of an n-hetero ring |
175 |
| 536/26.44 |
Cobalamin analogs (i.e., compounds wherein the benzimidazole ring system has been replaced by another organic ring structure, or compounds wherein cobalt has been removed or replaced by another metal, or is substituted by a group other than -oh or -cn) |
26 |
| 536/26.4 |
Cobalamin nucleotides (e.g., vitamin b-12, etc.) |
44 |
| 536/26.42 |
Processes of concentraction, separation, recovery, or extraction (e.g., recovery from organ extracts, from fermentation broth, from sewage sludge, etc.) |
13 |
| 536/26.43 |
Adsorbent used (e.g., activated alumina, ion exchange resins, etc.) |
6 |
| 536/26.41 |
Processes of preparing or labelling |
26 |
| 536/26.6 |
Labelled (e.g., tagged with radioactive tracer, fluorescent marker, intercalator, etc.) |
407 |
| 536/26.5 |
Plural n-glycosidic moieties bonded to the same phosphorus ester group |
48 |
| 536/26.2 |
Plural phosphorus atoms in n-glycoside |
45 |
| 536/26.3 |
Plural monophosphate groups (e.g., adenosine-3`, 5`-biscarboxymethyl phosphonate, cytidine nucleoside diphosphate, etc.) |
36 |
| 536/26.21 |
Plural phosphorus atoms bonded directly to the same chalcogen in a chain (e.g., pyrophosphates, polyanhydrides of phosphorus acids, etc.) |
58 |
| 536/26.22 |
Both terminal phosphorus atoms are esterified by organic groups wherein one of these organic groups is the sugar moiety |
35 |
| 536/26.23 |
Exactly two phosphorus atoms in the chain (e.g., coenzyme a, etc.) |
128 |
| 536/26.25 |
Fad (flavin adenine dinucleotide) and derivatives thereof |
14 |
| 536/26.24 |
Nad (nicotinamide adenine dinucleotide) and derivatives thereof |
52 |
| 536/26.26 |
Triphosphates (in same chain) |
170 |
| 536/26.9 |
The n-hereto ring is five-membered (e.g., 1- -d-riboburanosyl-1, 2,3- triazole-4-carboxamide-5`-phosphate, etc.) |
42 |
| 536/26.8 |
The n-hereto ring is six-membered and monocyclic (e.g., uridine-5`-mono- phosphate, etc.) |
265 |
| 536/26.7 |
The n-hetero ring is part of a bicyclic ring system |
251 |
| 536/26.74 |
Inosine nucleotide |
49 |
| 536/26.71 |
Preparing purine nucleotides |
103 |
| 536/26.72 |
Guanosine nucleotide preparation |
48 |
| 536/26.73 |
Separation or purification of purine nucleotides |
26 |
| 536/26.11 |
The phosphorus is part of a ring |
19 |
| 536/26.14 |
The n-hetero ring is a diazine or a diazole ring, including hydrogenated |
19 |
| 536/26.12 |
The n-hetero ring is part of a purine ring system |
42 |
| 536/26.13 |
Adenine or substituted adenine |
72 |
| 536/25.4 |
Separation or purification of polynucleotides or oligonucleotides |
658 |
| 536/25.41 |
Extraction processes (e.g., solvent extraction process, etc.) |
194 |
| 536/25.42 |
Denaturant utilized |
102 |
| 536/25.3 |
Synthesis of polynucleotides or oligonucleotides |
1532 |
| 536/25.31 |
Deprotection step |
291 |
| 536/25.32 |
Labels or markers utilized (e.g., radiotracer, affinity, fluoroescent, phosphorescent, markers, etc.) |
703 |
| 536/25.33 |
Pentavalent phosphorus compound utilized |
247 |
| 536/25.34 |
Trivalent phosphorus compound utilized |
361 |
| 536/53 |
Oxygen double bonded and nitrogen bonded directly to the same carbon |
532 |
| 536/55 |
Plural nitrogens containing |
202 |
| 536/55.1 |
Polysaccharides |
417 |
| 536/55.3 |
Processes |
395 |
| 536/45 |
Starch derivatives |
127 |
| 536/47 |
Cross-linked |
30 |
| 536/46 |
Dextrin derivatives |
135 |
| 536/48 |
Esters |
50 |
| 536/49 |
Ether-esters or mixed esters |
29 |
| 536/50 |
Ethers |
84 |
| 536/54 |
Sulfur containing |
173 |
| 536/4.1 |
O- or s- glycosides |
1340 |
| 536/4.4 |
Aescin or derivative |
13 |
| 536/13.1 |
Antibiotic bm 123 or derivative |
12 |
| 536/13.4 |
Antibiotic xk or derivative |
22 |
| 536/16.8 |
Antibiotics |
364 |
| 536/16.9 |
Purification or recovery |
38 |
| 536/17.1 |
Boron, phosphorus, heavy metal or aluminum containing |
158 |
| 536/13.5 |
Butirosin or derivative (e.g., ambutyrosin, etc.) |
29 |
| 536/18.2 |
Containing -c(=x)x- wherein the x's are the same or diverse chalcogens |
175 |
| 536/8.8 |
Coumermycin or derivative |
5 |
| 536/5 |
Cyclopentanohydrophenanthrene ring system |
218 |
| 536/6.1 |
Oxygen containing five-membered hetero ring |
55 |
| 536/6.2 |
Nitrogen, phosphorus or halogen containing |
36 |
| 536/6.3 |
Processes of extracting from plant materials |
18 |
| 536/6 |
Oxygen containing six-membered hetero ring (e.g., oxathiane, etc.) |
58 |
| 536/6.4 |
Daunomycin or derivative |
364 |
| 536/8 |
Flavon sugar compounds |
118 |
| 536/16.1 |
Fortimicin or derivative |
91 |
| 536/13.6 |
Gentamicin or derivative |
101 |
| 536/18.4 |
Halogen containing |
143 |
| 536/13.7 |
Kanamycin or derivative |
84 |
| 536/13.8 |
Carbonyl bonded directly to kanamycin nitrogen |
66 |
| 536/16.7 |
Kasugamycin or derivative |
3 |
| 536/16.2 |
Lincomycin or derivative |
23 |
| 536/16.4 |
Additional sulfur containing |
5 |
| 536/16.3 |
Cyano or -coo- containing |
9 |
| 536/16.5 |
Phosphorus or halogen containing |
17 |
| 536/16.6 |
Neamine or derivative (e.g., neomycin a, etc.) |
44 |
| 536/13.2 |
Neomycin b or neomycin c or derivative |
28 |
| 536/17.2 |
Nitrogen containing |
567 |
| 536/17.7 |
Nitro or nitroso containing |
51 |
| 536/17.8 |
Nitrogen in aglycone moiety |
24 |
| 536/17.3 |
Nitrogen containing hetero ring |
167 |
| 536/17.4 |
Nitrogen in aglycone moiety |
275 |
| 536/17.9 |
Nitrogen in aglycone moiety |
355 |
| 536/17.5 |
Sulfur containing (e.g., methylthiolincosaminide, etc.) |
158 |
| 536/17.6 |
Nitrogen or sulfur in aglycone moiety |
110 |
| 536/13 |
Novobiocin or derivative |
11 |
| 536/7.1 |
Oxygen containing hetero ring having 12-19 members (e.g., methymycin, carbomycin, spiramycin, etc.) |
361 |
| 536/7.2 |
Erythromycin or derivative (e.g., oleandomycin, etc.) |
314 |
| 536/7.4 |
Additional nitrogen containing |
352 |
| 536/7.3 |
Boron, phosphorus or sulfur containing |
87 |
| 536/7.5 |
Purification or recovery |
24 |
| 536/6.5 |
Oxygen containing hetero ring having at least twenty members (e.g., amphotericin, nystatin, pimaricin, etc.) |
98 |
| 536/13.3 |
Paromomycin or derivative (e.g., neomycin e, etc.) |
28 |
| 536/18.3 |
Plural oxyalkylene groups bonded directly to each other |
69 |
| 536/18.1 |
Polycyclo ring system (e.g., hellebrin, etc.) |
446 |
| 536/18.5 |
Processes |
664 |
| 536/18.6 |
Reacting a carbohydrate with an organic -o- containing compound (e.g., reacting glucose with methanol, etc.) |
401 |
| 536/13.9 |
Sisomicin or derivative |
59 |
| 536/14 |
Streptomycin or derivative |
22 |
| 536/16 |
Addition compounds |
7 |
| 536/15 |
Dihydrostreptomycin or derivative |
6 |
| 536/2 |
Pectin or derivative |
117 |
| 536/123 |
Plural diverse saccharides containing (e.g., hetero polysaccharides, etc.) |
497 |
| 536/123.1 |
Polysaccharides |
980 |
| 536/123.13 |
Disaccharides (e.g., maltose, sucrose, lactose, formaldehyde lactose, etc.) |
321 |
| 536/123.12 |
Glucans (e.g., pullulan, etc.) |
227 |
| 536/124 |
Processes |
1593 |
| 536/125 |
Isomerization |
74 |
| 536/126 |
Polymerization |
139 |
| 536/127 |
Purification or recovery |
573 |
| 536/128 |
From plant material |
272 |
| 536/102 |
Starch or derivative |
339 |
| 536/104 |
Aldehyde reaction product |
45 |
| 536/106 |
Cross-linked |
100 |
| 536/103 |
Dextrin or derivative |
502 |
| 536/107 |
Esters |
95 |
| 536/110 |
Carboxylic |
89 |
| 536/108 |
Ether-esters or mixed esters |
42 |
| 536/109 |
Phosphorus or sulfur containing |
33 |
| 536/111 |
Ethers |
131 |
| 536/105 |
Oxidized starch or derivative |
92 |
| 536/122 |
Sulfur or halogen containing |
321 |