Tris(disubstituted amino)sulfonium perfluroalkoxides and -perfluoroalkylmercaptides and process for their preparation
CA 1262730 C · Owner: E. I. Du Pont De Nemours And Company · Inventors: Middleton, William J.; Farnham, William B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tris(disubstituted amino)sulfonium perfluoroalkoxides and tris(disubstituted amino)sulfonium perfluoroalkyl-mercaptides and their preparation are disclosed. Such compounds are of the formula, wherein each R is alkyl or defined cycloalkyl each, Rf is perfluoroalkyl or perfluorocycloalkyl and Q is O or S. The compounds are useful as intermediates in the preparation of fluorine-containing organic compounds, and are very soluble in many polar organic solvents without decomposition.
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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 November 7, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 7, 2006.
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Timeline
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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.