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Expired Canadian patentCanada

Chloroformates of cyanoacrylates

CA 1164886 A · Owner: General Electric Company · Inventors: Ching, Ta-Yen

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

RD-12,432, CHLOROFORMATES OF CYANOACRYLATES Abstract of Disclosure, Certain cyanochloroformates are described which have utility for imparting UV stability to polycarbonate resins.

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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 April 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2001.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 27, 1981
GrantedApril 3, 1984
Term endedApril 3, 2001
Patent numberCA 1164886 A
Classification (IPC)C08L69/00

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedFeb 27, 1981Patent grantedApril 3, 1984Term endedApril 3, 2001

Sources & verification

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