Pressure sensitive adhesive composition
CA 1250988 A · Owner: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha · Inventors: Isayama, Katsuhiko; Hirose, Toshifumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pressure sensitive adhesive composition comprising:, (A) an organic polymer having in its molecule at least one reactive silicon-containing group represented by the formula (I):, (I), wherein R2 is a monovalent hydrocarbon group having 1 to 20 carbon atoms or a triorganosiloxy group having the formula (II):, (R')3SiO- (II), in which R' is a monovalent hydrocarbon group having 1 to 20 carbon atoms and may be the same or different X is hydroxyl group or a hydrolyzable group and may be, the same or different when 2 or more X groups are attached, a is 0 or an integer of 1 to 3 b is 0, 1 or 2, and m is 0 or an integer of 1 to 18 and, (B) 0.1 to 20 parts by weight of, per 100 parts by weight of …
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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 March 7, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 7, 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.
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.