Polymers of olefins and polar monomers
CA 1049197 A · Owner: Exxon Research And Engineering Company · Inventors: Kuntz, Irving
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition of matter comprising an interpolymer of from 20 to 60 mole % of one or more monoolefins of from 2 to 24 carbon atoms wherein said monoolefin is selected from the group consisting of branched 2substituted-1-olefins and vinyl ethers from 80 to 40 mole % of an acrylic acid ester where the ester moiety has from 1-20 carbon atoms and from 0.05 to 35, mole % of a monomer selected from the group consisting of (a) diesters of fumaric acid, (b) diamides of fumaric acid (c) derivatives of maleic acid, selected from the group consisting of diesters diamides, imides, and the, anhydride, (d) C1-C8 alkyl substituted maleic acid derivatives selected from the group consisting of diesters, …
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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 February 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- 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.