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Expired Canadian patentCanada

Softener, bleach and anti-cling composition

CA 1060604 A · Owner: Colgate-Palmolive Company · Inventors: Chirash, William; Johnson, James R.

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

The invention relates to a fabric softener bleach and anti-cling, composition which is compatible with organic detergents. It has been found that the conjoint use of a cationic softener particularly the quaternary, ammonium type and a peroxygen bleach in the composition of the invention yields totally unexpected synergistic cleaning effects whilst simultaneously enhancing the softening and anti-static properties thereof.

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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 21, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 21, 1996.
  • 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—
GrantedAugust 21, 1979
Term endedAugust 21, 1996
Patent numberCA 1060604 A
Classification (IPC)D06L4/12 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedAug 21, 1979Term endedAug 21, 1996

Sources & verification

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