Thermoplastic acrylic resin composition
CA 1196128 A · Owner: Mitsubishi Rayon Co. Ltd. · Inventors: Kishida, Kazuo; Hasegawa, Akira; Sugimori, Masahiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A Novel acrylic thermoplastic r sin composition transparent and excellent in flexibility consisting of from 1 through 99 parts by weight of at least one multi-layer structure polymer I and from 99 through 1 part by weight of at least one multi-layer structure polymer II, said polymer I and polymer II having the following structures:, Multi-layer structure polymer I: A multilayer structure polymer comprising the following (A) and (B):, (A) an inner layer polymer (A) constituted of from 60 through 100 parts by weight of an alkyl acrylate having C1-C8 alkyl group (A1) from 0 through, 40 parts by weight of a monomer having copolymerizable double bond (A2), from 0 through 10 parts by weight of a …
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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 October 29, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 2002.
- 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.