Processing-coadjuvating additives for rubbers vulcanizable by means of peroxides
CA 1297616 C · Owner: Ausimont S.P.A. · Inventors: Ferro, Raffaele; Cirillo, Gianna; Tommasi, Giulio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
NEW PROCESSING-COADJUVATING ADDITIVES FOR RUBBERS VULCANIZABLE BY MEANS OF PEROXIDES (Case T.3454) Abstract of the Disclosure, The use of liquid neutral perfluoropolyethers in amounts below 1 part by weight per 100 parts by weight of elastomer, and of derivatives thereof having brominated end groups in amounts of 0.01 to 5 parts by weight per 100 parts by weight of elastomer, having a molecular weight ranging from 500 to 10,000, as additives in rubber mixes vulcanizable with peroxides in order to improve the processability in the extrusion and the detachability of the vulcanized article from the molding dies.
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 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 2009.
- 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.