Polymeric compositions, oil compositions containing said polymeric compositions, transmission fluids and hydraulic fluids
CA 1260451 A · Owner: Grover, Kent B. · Inventors: Grover, Kent B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
71-, Title: POLYMERIC COMPOSITIONS, OIL COMPOSITIONS CONTAINING SAID POLYMERIC COMPOSITIONS TRANSMISSION FLUIDS AND HYDRAULIC FLUIDS ABSTRACT OF THE DISCLOSURE, Polymeric compositions are described which comprise a mixture of, (A) at least one oil-soluble polymer which is a homopolymer of a non-aromatic monoolefin or a copolymer of said non-aromatic monoolefin with an aromatic monoolefin, and, (B-1) at least one nitrogen-containing ester of a carboxy-containing interpolymer, or (B-2) at least one oil-soluble acrylate polymerization product of at least one acrylate ester or a mixture of one or more of (B-1) and B-2). The polymeric compositions of the invention also may contain (C) an …
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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 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.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.