Macromonomer compositions
CA 1313922 C · Owner: Janowicz, Andrew Henry · Inventors: Janowicz, Andrew Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, Novel Macromonomer Compositions ABSTRACT, Novel compositions of homopolymers and copolymers containing an olefinic polymerizable end group wherein the monomeric units comprise methacrylate acrylate, acrylic acid, styrene, vinyl esters acrylonitrile, methacrylonitrile, vinyl halides vinylidene halides, substituted butadienes ethylene-, sulfonic acid derivatives, acrylamide derivatives methacrylamide derivatives, and other monomers and, mixtures thereof are disclosed. CR-8511
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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 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2010.
- 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.