Resin composition curable at low temperature
CA 1296467 C · Owner: Kansai Paint Company, Limited · Inventors: Nakai, Noboru; Isozaki, Osamu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides a resin composition curable at a low temperature and characterized in that the composition comprises:, (a) a vinyl copolymer prepared from a polysiloxane macromonomer and an epoxy-containing vinyl monomer the polysiloxane macromonomer being prepared by reacting 70 to 99.999 mole % of a compound (A) represented by the formula, (I), wherein R1 is an aliphatic hydrocarbon group having 1 to 8 carbon atoms or phenyl, and R2, R3 and R4 are each alkoxyl having 1 to 4 carbon atoms or hydroxyl with 30 to 0.001 mole % of a compound (B) represented by the formula (II), wherein R5 is a hydrogen atom or methyl R6, R7 and R8 are, each hydroxyl, alkoxyl having 1 to 4 carbon atoms …
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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 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 25, 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.