Conversion of halogenated toxic substances
CA 1260959 A · Owner: The University Of Southern California · Inventors: Vaisman, Maia A.; Benson, Sidney W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A method for the conversion of chlorinated organic compounds by gas-phase pyrolysis in a reducing atmosphere to produce hydrogen chloride in the essential absence of chlorinated hydrocarbons. The present invention provides a process for the disposal of halogen-containing organic compounds such as carbon tetrachloride chloroform, tri-, chloroethane, tetrachloroethylene methylene chloride, the various freons polychlorinated biphenyls, dioxins, and others by conversion to compounds which pose no environmental hazard.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.