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Expired Canadian patentCanada

Curable composition based on branched acrylates with carboxyl groups and/or branched acrylates with epoxide groups and aminoplast resins

CA 1323119 C · Owner: Jung, Werner Alfons · Inventors: Jung, Werner Alfons

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Abstract From the Canadian patent

Abstract 27.03.1987, Curable composition based on branched acrylates with COOH groups and/or branched acrylates with epoxide groups, and aminoplast resins. The present invention relates to a curable composition consisting of, A) a polymer with at least 2 COOH groups B) a polymer with at least 2 epoxide groups and C) an aminoplast resin. At least one of components A) or B) is based on a branched soluble acrylate copolymer, more than 3 to 30% by weight, based on the total weight of the monomers of a monomer with at least two polymerizable olefinic-, ally unsaturated double bonds being used in the preparation of these branched acrylate copolymers and the proportions of the individual …

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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 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 12, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 28, 1988
GrantedOctober 12, 1993
Term endedOctober 12, 2010
Patent numberCA 1323119 C
Classification (IPC)C08L33/02 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMarch 28, 1988Patent grantedOct 12, 1993Term endedOct 12, 2010

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