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![[Search a list of Patent Appplications for class 588]](../as.gif) Class 588 | HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT |
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![[List of Patents for class 588 subclass 1]](../ps.gif) | 1 | DESTRUCTION OR CONTAINMENT OF RADIOACTIVE WASTE |
| | 2 |  By fixation in stable solid media |
| | 3 |  Cement, concrete, or hydraulic setting |
| | 5 | Bituminous |
| | 6 | Resin or polymer; e.g., cellulose, polyethylene |
| | 9 | Clay or claylike |
| | 10 | Ceramic or ceramiclike |
| | 13 | Ion exchange material |
| | 14 | Silicon containing |
| | 15 | Metal containing |
| | 16 | Surrounding with specified material or structure |
| | 17 | Geological or extraterrestrial |
| | 18 | Chemical conversion to a stable solid for disposal |
| | 20 | Treating radioactive liquid |
| | 299 | GERM WARFARE AGENTS DESTROYED |
| | 300 | PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE IN THE SUBSTANCES (EPO/ JPO) |
| Note: When classifying in subclasses 300-321, classification is also made in subclasses 400-415 to identify the hazardous substance. | ||
| | 301 | By subjecting to electric or wave energy or particle or ionizing radiation (EPO/ JPO) |
| | 302 | Electrochemical processes, e.g., electrodialysis (EPO/JPO) |
| | 304 | Sonic energy (EPO/JPO) |
| | 305 | Particle radiation, e.g., electron beam radiation (EPO/JPO) |
| | 306 | Electromagnetic radiation, e.g., laser (EPO/ JPO) |
| | 307 |  Gamma rays (about 0.003nm-0.03nm) (EPO/JPO) |
| | 308 | X-rays (about 0.03mn-3nm) (EPO/JPO) |
| | 309 | Ultraviolet radiations (about 3nm-400nm) (EPO/JPO) |
| | 310 | Microwave radiations (about 0.3cm-30cm) (EPO/JPO) |
| | 311 | Plasma (EPO/JPO) |
| | 312 | By hydropyrolysis or destructive steam gasification, e.g., using water and heat or supercritical water, to effect chemical change (EPO/JPO) |
| | 313 | By reacting with chemical agents (EPO/JPO) |
| | 314 | By treatment in molten chemical reagent, e.g., salts or metals (EPO/JPO) |
| | 315 | By chemical fixing the harmful substance, e.g., by chelation or complexation (EPO/JPO) |
| | 316 | Dehalogenation using reactive chemical agents able to degrade (EPO/JPO) |
| | 317 | By hydrolysis (EPO/JPO) |
| | 318 | Detoxification by using acid or alkaline reagents (EPO/JPO) |
| | 319 | By reduction, e.g., hydrogenation (EPO/JPO) |
| | 320 | By oxidation; by combustion (EPO/JPO) |
| | 321 | By heating to effect chemical change. e.g., pyrolysis (EPO/JPO) |
| | 400 | Harmful chemical substances made harmless, or less harmful, by effecting chemical change (EPO/JPO) |
| Note: Subclasses 401 through 404 form part of a multiple aspect schedule. Documents classified in one of these subclasses are normally also classified in subclasses 405 through 415 to identify the hazardous material. | ||
| | 401 | Chemical warfare substances, e.g., cholinesterase inhibitor (EPO/JPO) |
| | 402 | Pesticides, e.g., insecticides, herbicides, fungicides, nematicides (EPO/JPO) |
| | 403 | Explosives, propellants or pyrotechnics, e.g., rocket fuel, napalm (EPO/JPO) |
| | 404 | Toxic combustion residues, e.g., toxic substances contained in fly ash from waste incineration (EPO/JPO) |
| | 405 | Organic substances (EPO/JPO) |
| | 406 | Containing halogen (EPO/JPO) |
| | 407 | Containing heavy metals (EPO/JPO) |
| | 408 | Containing nitrogen or phosphorus (EPO/JPO) |
| | 409 | Containing oxygen, sulfur, selenium or tellurium, i.e., chalcogen (EPO/JPO) |
| | 410 | Inorganic substances (EPO/JPO) |
| | 249 | CONTAINMENT |
| | 249.5 | Chemical or germ warfare agents, or pathogenic organisms (e.g., sarin, VX, anthrax, virus, bacteria and medical waste, etc.) |
| | 251 | Treating a solid (e.g., clay, slag, spent sorbent, active carbon, etc.) to prevent gas emissions |
| | 252 | Solidification, vitrification, or cementation |
| | 253 | In situ vitrification |
| | 254 | Contains asbestos |
| | 255 | Polymer or resin containing (e.g., foam, etc.) |
| | 256 | Waste contains heavy metal (e.g., fly, ash, flue dust, and incinerator ash) |
| | 259 | Secondary containment |
| | 260 | With sensing, detecting, or monitoring |
| | 261 | MISCELLANEOUS |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 900 | APPARATUS |
| | 901 | COMPOSITIONS |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
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