Process for cleaving aliphatic ether compounds
CA 1310018 C · Owner: Dow Chemical G.M.B.H. · Inventors: Eiffler, Jurgen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Aliphatic ether compounds are cleaved by reacting them with acid halides in the presence of a Lewis acid catalyst. The aliphatic ethers have at least one halogen atom in a beta-position to the oxygen atom. The corresponding esters and halides having the unreacted beta-halogen atom(s) are produced. C-35,610
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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 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 2009.
- 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.