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Expired Canadian patentCanada

Polymeric compositions

CA 1236617 A · Owner: Raychem Corporation · Inventors: Zukosky, Mimzee; Dieck, Ronald L.

CIPO record

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Abstract From the Canadian patent

Title POLYMERIC COMPOSITIONS Applicant Raychem Corporation, a corporation organized according to the laws of the State of, California U.S.A. of 300 Constitution, Drive, Menlo Park California 94025, U.S.A. Inventors Mimzee Zukosky a U.S. Citizen, of 3485, Hoover Street Redwood City, Calif. 94063, U.S.A. and Ronald Lee Dieck, a U.S. Citizen, of 881 Rubis Drive, Sunnyvale, California 95087, U.S.A. Convention Priority to be claimed U.S. Serial No. 488,861, filed April 26 1983, by the inventors named above. ABSTRACT OF THE DISCLOSURE Polymeric compositions comprising 7-28% preferably, 12 to 25%, of a thermoplastic olefin polymer 1-10%, preferably 2 to 6%, of a siloxane polymer containing 2-70% …

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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 May 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 25, 1984
GrantedMay 10, 1988
Term endedMay 10, 2005
Patent numberCA 1236617 A
Classification (IPC)C08L53/02 +2 more

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedApril 25, 1984Patent grantedMay 10, 1988Term endedMay 10, 2005

Sources & verification

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