Curable composition
CA 1307070 C · Owner: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha · Inventors: Wakabayashi, Hiroshi; Isayama, Katsuhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A curable composition. The composition contain (A) a copolymer that has silicon-containing functional groups capable of crosslinking by forming siloxane bonds and whose molecular chain consists substantially of:, (1) an alkyl acrylate ester monomeric unit and/or an alkyl methacrylate ester monomeric unit the, alkyl of each being 1 to 8 carbon atoms; and, (2) an alkyl acrylate ester monomeric unit and/or an alkyl methacrylate ester monomeric unit the, alkyl of each being at least 10 carbon atoms; (B) an oxyalkylene polymer having siliconcontaining functional groups that are capable of crosslinking by forming siloxane bonds; and (C) at least one compound selected from (i) a hydrolyzable …
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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 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.