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Expired Canadian patentCanada

Resin compositon for cationically electrodepositable paint

CA 1340095 C · Owner: Nishida, Reiziro · Inventors: Tominaga, Akira; Nishida, Reiziro

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A resin composition for a cationically electro-depositable paint comprising, (A) a resin havng hydroxyl groups and cationic groups, and, (B) an epoxy resin having at least 2 epoxy functional groups each of which comprises an epoxy group directly bound to an, alicyclic ring and/or bridged alicyclic ring on average per molecule, as principal components.

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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 20, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 2015.
  • 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 29, 1989
GrantedOctober 20, 1998
Term endedOctober 20, 2015
Patent numberCA 1340095 C
Classification (IPC)C09D5/44 +1 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedAug 29, 1989Patent grantedOct 20, 1998Term endedOct 20, 2015

Sources & verification

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