Patent Yard Sign in
Expired Canadian patentCanada

Process for dyeing textiles in a non-uniform fashion and resulting textile products

CA 1316636 C · Owner: Golden Trade S.R.L. · Inventors: Ricci, Francesco

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 process for dyeing a textile in a non-uniform fashion is described which involves disposing rigid permeable and porous, granules impregnated with a solution or dispersion of one or more dyestuffs together with a textile product in a chamber and randomly contacting the textile with the granules. After removing the granules, the textile may be heated or steamed to fix the dyestuff, and washed to remove excess dyestuff.

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 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 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.
FiledJuly 5, 1988
GrantedApril 27, 1993
Term endedApril 27, 2010
Patent numberCA 1316636 C
Classification (IPC)D06P5/00 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJuly 5, 1988Patent grantedApril 27, 1993Term endedApril 27, 2010

Sources & verification

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