Patent Yard Sign in
Expired Canadian patentCanada

Blend of polyether amic acid-imide resin and co-resin

CA 1075846 A · Owner: General Electric Company · Inventors: Banucci, Eugene G.; Boldebuck, Edith M.

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

This invention is concerned with a new class of polyethexamide-imide coresin blends wherein the coresin is selected from phanolic resins and epoxy resins. More particularly the invention is concerned with polyetheramide-imide coresin blends which exhibit melt viscosities suitable for solventless-dry powder coating and curing of polyetheramideimide coresin blends are also suitable for the manufacture of filaments, fibers, films, molding compounds coatings, etc.

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 April 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 15, 1980
Term endedApril 15, 1997
Patent numberCA 1075846 A
Classification (IPC)C08L79/08 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedApril 15, 1980Term endedApril 15, 1997

Sources & verification

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