Patent Yard Sign in
Expired Canadian patentCanada

Preparation of metal containing resin composition and antifouling paint containing said composition

CA 1314650 C · Owner: Matsuda, Masayuki · Inventors: Yamamori, Naoki; Matsuda, Masayuki; Higo, Kiyoaki

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A resin composition to be used as a resinous vehicle for an antifouling paint, which is prepare by a method comprising reacting a mixture of, (A) acid group containing base resin (B) metallic salt of low boiling organic basic acid in, which the metal is selected from the members having 2 or more valence and lesser ionization tendency than those of alkali metals, and, (C) high boiling organic monobasic acid at an elevated temperature while removing the formed low boiling organic basic acid out of the system.

Read the whole patent

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 March 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 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.
FiledMay 16, 1988
GrantedMarch 16, 1993
Term endedMarch 16, 2010
Patent numberCA 1314650 C
Classification (IPC)C08F8/44 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMay 16, 1988Patent grantedMarch 16, 1993Term endedMarch 16, 2010

Sources & verification

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