What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
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363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 588
Class Title: HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT
Subclass Subclass
Number Title
200 CHEMICAL OR GERM WARFARE AGENTS DESTROYED
201 MOLTEN MEDIA USED (E.G., METAL)
202 EXPLOSIVES, PROPELLANTS, OR PYROTECHNICS DESTROYED
203 .Using added reactive material (e.g., acids bases, hydrogen,
etc.)
204 ELECTRODIALYSIS OR ELECTROLYTIC DEGRADATION OR CONVERSION
205 ORGANIC SUBSTANCE DESTROYED
206 .Halogen attached directly to carbon by nonionic bonding
207 ..Halogen attached directly to benzene ring by nonionic bonding
(e.g., PCB's)
208 ...Hydropyrolysis or destructive steam gasification
209 ...Heating or vacuum used to drive off or produce a volatile
substance
210 ...Using ionizing radiation electrical energy, magnetic force,
radiaiton, or sonic energy (e.g., laser, plasma, microwave,
or ultrasonic)
211 ....Using a gaseous heat carrier
212 ..Using ionizing radiation, electrical energy, magnetic force,
radiaiton, or sonic energy (e.g., laser, plasma, microwave, or
ultrasonic)
213 ..Heating or vacuum used to drive off or produce a volatile
substance (e.g., hydropyrolysis or destructive steam
gasificaiton)
214 ...Using a gaseous heat carrier
215 .Chalcogen containing (O, S, Se, or Te)
216 ..Heating or vacuum used to drive off or produce a volatile
substance
217 ...Using a gaseous heat carrier
218 ..Reacting with chemical agents
219 ...Using ionizing radiation, electric energy, magnetic force,
radiation, or sonic energy (e.g., laser, plasma, microwave,
or ultrasonic)
220 .Heating or vacuum used to drive off or produce a volatile
substance from waste containing N, P, As, Sb, or Bi
221 .Reacting waste containing N, P, As, Sb, or Bi with chemical
agents
222 ..Using ionizing radiation, electrical energy, magnetic force,
radiation, or sonic energy (e.g., laser, plasma, microwave, or
ultrasonic)
223 .Metal containing
224 ..Reacting with chemical agents
225 ...Using ionizing radiation, electric energy, magnetic force,
radiation, or sonic energy (e.g., laser, plasma, microwave,
or ultrasonic)
226 .Hydropyrolysis or destructive steam gasification
227 .Using ionizing radiation, electrical energy, magnetic force,
radiation, or sonic energy (e.g., laser, plasma, microwave, or
ultrasonic)
228 .Heating or vacuum used to drive off or produce a volatile
substance
229 ..Using a solid heat carrier
230 ..Using a gaseous heat carrierr
231 HEAVY METAL CONTAINING SUBSTANCE DESTROYED
232 .Magnetic separation
233 .Hydropyrolysis or destructive steam gasification
234 .Heating or vacuum used to drive off or produce a volatile
substance
235 ..Using a gaseous heat carrier
236 .Reacting with chemical agents
237 ..Using ionizing radiation, electrical energy, magnetic force,
radiation, or sonic energy (e.g., laser, plasma, microwave, or
ultrasonic)
238 CHALCOGEN CONTAINING SUBSTANCE DESTROYED (O, S, Se, or Te)
239 .Hydropyrolysis or destructive steam gasification
240 .Heating or vacuum used to drive off or produce a volatile
substance
241 ..Using a gaseous heat carrier
242 .Reacting with chemical agents
243 ..Using ionizing radiation, electrical energy, magnetic force,
radiation, or sonic energy (e.g., laser, plasma, microwave, or
ultrasonic)
244 N OR P CONTAINING SUBSTANCE DESTROYED
245 .Heating or vacuum used to drive off or produce a volatile
substance
246 .Reacting with chemical agents
247 ..Using ionizing radiation electrical energy, magnetic force,
radiation, or sonic energy (e.g., laser, plasma, microwave,
and ultrasonic)
248 HALIDE CONTAINING SUBSTANCE DESTROYED
249 CONTAINMENT
250 .Geologic marine or extraterrestial storage and containment
(e.g., tetonic, volcanic, deep natural, manmade earth cavity,
submarine placement sites, lunar, earth orbital, and solar
placement)
251 .Treating a solid (e.g., clay, slag, 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)
257 ...Hazardous or toxic waste used in the production or
formulation of a cement type product (e.g., concrete)
258 .Storage to contain pathogenic organisms (e.g., virus, bacteria,
and medical waste)
259 .Secondary containment
260 .With sensing, detecting, or monitoring
261 MISCELLANEOUS
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* CROSS-REFERENCE ART COLLECTIONS
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900 APPARATUS
901 COMPOSITIONS