Multi-component polymer rubber
CA 1201550 A · Owner: Japan Synthetic Rubber Co. Ltd. · Inventors: Zen, Shinichiro; Furuta, Isao; Takemura, Yasuhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multi-component polymer rubber comprising (A) 15 to 60 mole % of an .alpha..beta.-unsaturated nitrile (B), 10 to 75 mole % of a conjugated diene and (C) 2 to 55, mole % of a fluoroalkyl acrylate or methacrylate or a fluorine-containing .alpha.-olefin, and having a glass transition temperature (Tg) of -50°C to -20°C the percentages, of the components (A) (B) and (C) being based on the, total sum of moles of the components (A) (B) and (C). Said multi-component polymer rubber is excellent in sour gasoline resistance and alcohol-containing gasoline resistance.
Read the whole patent
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 4, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 2003.
- 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.