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Class Information
Number: 588/221
Name: Hazardous or toxic waste destruction or containment >

Sub-classes under this class:

Class Number Class Name Patents
588/1 Destruction or containment of radioactive waste 134
588/249 Containment 244
588/261 Miscellaneous 34
588/299 Germ warfare agents destroyed 23
588/300 Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances (epo/ jpo) 42
588/900 Apparatus 316
588/901 Compositions 165

Patents under this class:

Patent Number Title Of Patent Date Issued

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Process for making diethyl ether from acetic acid
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