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Class Information
Number: 588
Name: Hazardous or toxic waste destruction or containment >
Description: This is the generic class for (1) hazardous or toxic waste destruction by any means to include, heating, chemical action, or the interaction with any form of radiation; (2) permanent containment of hazardous or toxic waste by methods to include storage in a simple container, solidification, vitrification, cementation, and more elaborate methods of storage such as marine, tetonic, or extraterrestrial storage; (3) hazardous or toxic waste conversion by any means (e.g., chemical, physical, etc.) to an environmentally safe substance; and (4) preparation for destruction or containment as well as the actual destruction or containment.
| Class Number |
Class Name |
No. of Patents | | 588/900 |
Apparatus |
281 | | 588/901 |
Compositions |
143 | | 588/249 |
Containment |
224 | | 588/249.5 |
Chemical or germ warfare agents, or pathogenic organisms (e.g., sarin, vx, anthrax, virus, bacteria and medical waste, etc.) |
56 | | 588/250 |
Geologic, marine, or extraterrestrial storage and containment (e.g., tectonic, volcanic, deep natural, manmade earth cavity, submarine placement sites, lunar, earth orbital, and solar placement, etc.) |
106 | | 588/259 |
Secondary containment |
110 | | 588/252 |
Solidification, vitrification, or cementation |
346 | | 588/254 |
Contains asbestos |
31 | | 588/253 |
In situ vitrification |
28 | | 588/255 |
Polymer or resin containing (e.g., foam, etc.) |
77 | | 588/256 |
Waste contains heavy metal (e.g., fly, ash, flue dust, and incinerator ash) |
318 | | 588/257 |
And confined in a cement type material (e.g., concrete) |
158 | | 588/251 |
Treating a solid (e.g., clay, slag, spent sorbent, active carbon, etc.) to prevent gas emissions |
32 | | 588/260 |
With sensing, detecting, or monitoring |
60 | | 588/1 |
Destruction or containment of radioactive waste |
109 | | 588/2 |
By fixation in stable solid media |
55 | | 588/5 |
Bituminous |
40 | | 588/3 |
Cement, concrete, or hydraulic setting |
104 | | 588/4 |
With additional solid material to enhance fixation of radioactivity |
49 | | 588/10 |
Ceramic or ceramiclike |
51 | | 588/11 |
Glass, glasslike, vitreous |
115 | | 588/12 |
Boron containing |
40 | | 588/9 |
Clay or claylike |
36 | | 588/13 |
Ion exchange material |
30 | | 588/15 |
Metal containing |
92 | | 588/6 |
Resin or polymer; e.g., cellulose, polyethylene |
48 | | 588/7 |
Ion exchange resin |
26 | | 588/8 |
Polymer derived from ethylenically unsaturated monomer |
45 | | 588/14 |
Silicon containing |
69 | | 588/18 |
Chemical conversion to a stable solid for disposal |
98 | | 588/19 |
Incineration, calcination, pyrolyzing to obtain solid residue |
53 | | 588/17 |
Geological or extraterrestrial |
62 | | 588/16 |
Surrounding with specified material or structure |
159 | | 588/20 |
Treating radioactive liquid |
158 | | 588/299 |
Germ warfare agents destroyed |
13 | | 588/261 |
Miscellaneous |
30 | | 588/300 |
Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances (epo/ jpo) |
12 | | 588/321 |
By heating to effect chemical change. e.g., pyrolysis (epo/jpo) |
62 | | 588/312 |
By hydropyrolysis or destructive steam gasification, e.g., using water and heat or supercritical water, to effect chemical change (epo/jpo) |
21 | | 588/313 |
By reacting with chemical agents (epo/jpo) |
87 | | 588/315 |
By chemical fixing the harmful substance, e.g., by chelation or complexation (epo/jpo) |
51 | | 588/317 |
By hydrolysis (epo/jpo) |
111 | | 588/320 |
By oxidation; by combustion (epo/jpo) |
489 | | 588/319 |
By reduction, e.g., hydrogenation (epo/jpo) |
129 | | 588/314 |
By treatment in molten chemical reagent, e.g., salts or metals (epo/jpo) |
89 | | 588/316 |
Dehalogenation using reactive chemical agents able to degrade (epo/jpo) |
381 | | 588/318 |
Detoxification by using acid or alkaline reagents (epo/jpo) |
288 | | 588/301 |
By subjecting to electric or wave energy or particle or ionizing radiation (epo/ jpo) |
9 | | 588/302 |
Electrochemical processes, e.g., electrodialysis (epo/jpo) |
29 | | 588/303 |
Electrolytic degradation or conversion (epo/jpo) |
61 | | 588/306 |
Electromagnetic radiation, e.g., laser (epo/ jpo) |
31 | | 588/307 |
Gamma rays (about 0.003nm-0.03nm) (epo/jpo) |
6 | | 588/310 |
Microwave radiations (about 0.3cm-30cm) (epo/jpo) |
27 | | 588/309 |
Ultraviolet radiations (about 3nm-400nm) (epo/jpo) |
37 | | 588/308 |
X-rays (about 0.03mn-3nm) (epo/jpo) |
4 | | 588/305 |
Particle radiation, e.g., electron beam radiation (epo/jpo) |
11 | | 588/311 |
Plasma (epo/jpo) |
74 | | 588/304 |
Sonic energy (epo/jpo) |
13 | | 588/400 |
Harmful chemical substances made harmless, or less harmful, by effecting chemical change (epo/jpo) |
11 | | 588/401 |
Chemical warfare substances, e.g., cholinesterase inhibitor (epo/jpo) |
85 | | 588/403 |
Explosives, propellants or pyrotechnics, e.g., rocket fuel, napalm (epo/jpo) |
93 | | 588/410 |
Inorganic substances (epo/jpo) |
83 | | 588/415 |
Containing halogen (epo/jpo) |
27 | | 588/412 |
Containing heavy metals, in the bonded or free state (epo/jpo) |
179 | | 588/413 |
Containing nitrogen phosphorus (epo/jpo) |
73 | | 588/414 |
Containing oxygen, sulfur, selenium or tellurium, i.e., chalcogen (epo/jpo) |
44 | | 588/411 |
Inorganic fibers, e.g., asbestos (epo/jpo) |
18 | | 588/405 |
Organic substances (epo/jpo) |
342 | | 588/406 |
Containing halogen (epo/jpo) |
574 | | 588/407 |
Containing heavy metals (epo/jpo) |
169 | | 588/408 |
Containing nitrogen or phosphorus (epo/jpo) |
289 | | 588/409 |
Containing oxygen, sulfur, selenium or tellurium, i.e., chalcogen (epo/jpo) |
298 | | 588/402 |
Pesticides, e.g., insecticides, herbicides, fungicides, nematicides (epo/jpo) |
55 | | 588/404 |
Toxic combustion residues, e.g., toxic substances contained in fly ash from waste incineration (epo/jpo) |
71 | |
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