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Expired Canadian patentCanada

Thermosetting acrylic resine powder coating compositions

CA 1111596 A · Owner: Kansai Paint Company, Limited · Inventors: Kamimura, Masaaki

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Abstract From the Canadian patent

The present invention relates to a thermosetting acrylic resin powder coating composition and comprises specified four components (A) to (D), said four components (A) to (D) being:, (A) a mixture of a glycidyl-containing acrylic resin and a hydroxyl-containing acrylic resin, or a glycidyland hydroxyl-containing acrylic resin, (B) a blocked isocyanate compound having a melting point of 60 to 140°C and solid at room temperature (C) an aliphatic dibasic acid or anhydride thereof and, (D) at least one tin compound represented by the formula SnO2, R2SnO, R2SnX2, R2Sn(OCOR')2' , R2SnX R3Sn-O-SnR3, or R4Sn wherein R is, phenyl or alkyl having 1 to 18 carbon atoms X is, halogen, alkoxyl having 1 to …

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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 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 5, 1979
GrantedOctober 27, 1981
Term endedOctober 27, 1998
Patent numberCA 1111596 A
Classification (IPC)C08F8/42 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedApril 5, 1979Patent grantedOct 27, 1981Term endedOct 27, 1998

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