Alcohol-based aluminum corrosion inhibitor compositions comprising polysilyl compounds
CA 1293580 C · Owner: Prestone Products Corporation · Inventors: Pepe, Enrico James; Mohr, Paul Herman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An alcohol-based composition inhibited against high temperature aluminum cavitation erosion corrosion characterized by the presence of a polysilyl compound of the formula:, wherein R is a substituted or unsubstituted organic radical; R1 is selected from the group consisting of hydrogen, monovalent hydrocarbon radicals and substituted monovalent hydrocarbon radicals; R2 is a monovalent moiety hydrolyzable to a hydroxyl group, each R2 being the same or different; a is an integer from 2 to 4, inclusive; b is an integer having a value of 0 or 1: n is an integer from 1 to 36, inclusive; and c is an integer having a value of 0 or 1; each, group being the same or different with the proviso, that …
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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 December 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 24, 2008.
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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.