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Expired Canadian patentCanada

Aqueous coating agent, a process for its preparation, and its use for coating of cans

CA 1306566 C · Owner: Reichelt, Uwe · Inventors: Scherping, Karl-Heinz; Holscher, Hans-Jorg; Reichelt, Uwe

CIPO record

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Abstract From the Canadian patent

June 22, 1987, Aqueous coating agent a process for its preparation, and, its use for coating of cans Abstract of the disclosure, The invention relates to an aqueous coating agent obtained, from an epoxy resin, ethylenically unsaturated monomers some of which contain carboxyl groups, a peroxide initiator in a proportion of at least 2% by weight rela-, tive to the total weight of the monomers a crosslinking, agent, a neutralizing agent organic solvents, and, if ap-, propriate further conventional additives, such as plasticizers, stabilizers, wetting agents, dispersion auxiliaries, catalysts and pigments. The coating agent is based on a binder a) which is obtainable from A) 20 to 80% by weight …

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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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 2009.
  • 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 14, 1987
GrantedAugust 18, 1992
Term endedAugust 18, 2009
Patent numberCA 1306566 C
Classification (IPC)C09D163/00 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedAug 14, 1987Patent grantedAug 18, 1992Term endedAug 18, 2009

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