Patent Yard Sign in
Expired Canadian patentCanada

Compositions having a base of sulfur-vulcanizable rubber

CA 1196436 A · Owner: Michelin & Cie (Compagnie Generale Des Etablissements Michelin) · Inventors: Ancel, Christian; Philibert, Pierre

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A composition comprising at least one sulfurvuleanizable rubber, this composition being intended to adhere to at least one metallic surface during the course of vulcanization, is characterized by the fact that it further comprises from 0.1 to 2 parts by weight of nickel present in the form of nickel acetylacetonate per 100, parts by weight of rubber.

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 November 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 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.
FiledMarch 16, 1982
GrantedNovember 5, 1985
Term endedNovember 5, 2002
Patent numberCA 1196436 A
Classification (IPC)C08K5/56 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedMarch 16, 1982Patent grantedNov 5, 1985Term endedNov 5, 2002

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.