Carboxy-substitured organosilicon stabilizers for a silicate-containingantifreeze
CA 1297885 C · Owner: Pepe, Enrico J. · Inventors: Mohr, Paul H.; Pepe, Enrico J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An organosilicon carboxylate useful in silicate-containing antifreeze having the formula: MOC-?10H20-SiZ3, wherein M is a monovalent cation and Z is a hydrolyzable moiety which does not prevent the silane from being soluble in the alcohol employed as a base fluid of the antifreeze. D-14823-2
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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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 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.