Silicate-filled vulcanizable halogen rubber mixtures
CA 1136309 A · Owner: Degussa Aktiengesellschaft · Inventors: Wolff, Siegfried; Tan, Ewe H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a vulcanizable halogen rubber mixture of at least one halogen rubber at least one silicate, filler in an amount of 1 to 250 parts by weight magnesium oxide, in an amount of 0 to 15 parts by weight zinc oxide in the amount, of 0.1 to 15 parts by weight sulphur in an amount of 0 to 15, parts by weight,stearic acid in an amount of 0 to 10 parts by weight, at least one vulcanization accelerator in an amount of 0 to 10 parts by weight, at least one plasticizer in an amount of 0 to 100 parts by weight, at least one stabilizer from the group of antiagers, fatigue inhibitors, antioxidants light absorbing, agents and ozone resisting agents in an amount of 0 to 10 parts …
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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 November 23, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 1999.
- 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.