Composition for antifriction material
CA 1061318 A · Owner: Institut Elementoorganicheskikh Soedineny Akademii Nauk Sssr · Inventors: Krasnov, Alexandr P.; Komarova, Ljudmila G.; Gribova, Irina A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The proposed composition contains from 5 to 98 parts by weight of polyphenylquinoxaline, from 1 to 94 parts by weight of an antifriction filler; from 0 to 40 parts by weight of a reinforcing filler, and from 0.1 to 10 parts by weight of a modifying dopant such as terephthalaldehyde tetranitrile of pyromellitic acid, metal polyphosphinates or carborane-containing compounds. The antifriction material on the basis of said composition features a low and stable coefficient of friction and provides for the operation of dry-friction assemblies constructed therefrom at temperatures of up to 350°C.
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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 August 28, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 28, 1996.
- 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.