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Expired Canadian patentCanada

Hydrated catalyst complex and process

CA 1263642 C · Owner: Vapocure International Pty Limited · Inventors: Mcinnes, Alan D.

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

A dried coating is formed as a substrate by applying a vehicle upon the substrate and subjecting the vehicle to treatment with a drying agent; in particular the vehicle is a one-component vehicle containing free isocyanate groups; in this way problems with two component systems are avoided.

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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 December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 10, 1985
GrantedDecember 5, 1989
Term endedDecember 5, 2006
Patent numberCA 1263642 C
Classification (IPC)B01J16/00 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedSep 10, 1985Patent grantedDec 5, 1989Term endedDec 5, 2006

Sources & verification

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