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Expired Canadian patentCanada

Electrodepositable preparations having low organic solvent content, and processes for the preparation thereof

CA 1313283 C · Owner: Hoechst Aktiengesellschaft · Inventors: Plum, Helmut

CIPO record

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Abstract From the Canadian patent

Abstract of the disclosure: Electrodepositable stable coating preparation essentially comprising, a synthetic resin A), which contains amino groups and if, appropriate, hydroxyl groups, a hardener a) which is capable of transesterification and/ or transamidation, water as diluent C) if appropriate, organic solvents D), and also the conventional coating additives and if approp-, riate, hardening catalysts E) wherein the organic solvents, content is a maximum of 10% by weight relative to the, solids content. The invention furthermore relates to a process for the preparation of this coating preparation, which is distinguished by a low organic solvents content with good storage stability.

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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 January 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 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.
FiledJanuary 30, 1987
GrantedJanuary 26, 1993
Term endedJanuary 26, 2010
Patent numberCA 1313283 C
Classification (IPC)C09D5/44

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJan 30, 1987Patent grantedJan 26, 1993Term endedJan 26, 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.