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Expired Canadian patentCanada

Weatherable abrasion resistant etherified aminoplast derived coating forplastic substrates

CA 1280246 C · Owner: Moore, James Eugene · Inventors: Moore, James Eugene

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 protective coating composition containing a polycaprolactone polyol and an aminoplast derivative is applied to a thermoplastic substrate to produce a thermoformable article having abrasion resistance solvent resistance and weatherability.

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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 February 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 21, 1985
GrantedFebruary 12, 1991
Term endedFebruary 12, 2008
Patent numberCA 1280246 C
Classification (IPC)C08J7/04 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedJune 21, 1985Patent grantedFeb 12, 1991Term endedFeb 12, 2008

Sources & verification

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