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Expired Canadian patentCanada

Solventless polymeric compositions

CA 1262003 A · Owner: Nichols, Gus · Inventors: Nichols, Gus

CIPO record

Overview

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Abstract From the Canadian patent

Solventless polymeric compositions suitable for coatings and moldings are formed by the addition reaction product of a first component comprising mono di or, polyamines, or an adduct of mono di or polyamines with, mono, di or polyfunctional acrylates and/or epoxides and a second component comprising mono, di or polyacrylates or mixtures with mono, di or polyepoxides.

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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 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.
FiledAugust 15, 1985
GrantedSeptember 26, 1989
Term endedSeptember 26, 2006
Patent numberCA 1262003 A
Classification (IPC)C08G59/40 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedAug 15, 1985Patent grantedSep 26, 1989Term endedSep 26, 2006

Sources & verification

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