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Expired Canadian patentCanada

Emulsifiable polyolefins, method of preparation and emulsions formed therefrom

CA 796809 A · Owner: Eastman Kodak Company · Inventors: Frederick B. Joyner; Richard L. Mcconnell

CIPO record

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

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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 October 15, 1968. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 1985.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedOctober 15, 1968
Term endedOctober 15, 1985
Patent numberCA 796809 A
Classification (IPC)C08L25/00 +2 more

Timeline

Timeline From CIPO dates

196919711973197519771979198119831985Patent grantedOct 15, 1968Term endedOct 15, 1985

Sources & verification

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