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Expired Canadian patentCanada

Fabric softening heavy duty liquid detergent

CA 1203054 A · Owner: Colgate-Palmolive Company · Inventors: Peterson, Kenneth S.; Ramachandran, Pallassana N.

CIPO record

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Abstract From the Canadian patent

A fabric softening heavy duty liquid detergent useful for both cleaning and softening laundry includes, synthetic organic detergent, preferably sodium higher alkylbenzene sulfonate, builder salt, preferably including sodium tripolyphosphate, finely divided swelling bentonite water, insoluble soap, and water. Such product is a liquid convenient for use in hand or machine washing of laundry. Preferably the liquid detergent comprises about 9% of sodium linear tridecylbenzene sulfonate, about 2% of sodium alkyl polyethoxy sulfate wherein the alkyl is of 12 to 15 carbon atoms and the polyethoxy is of 3 ethylene oxide groups about 11% of sodium tripolyphosphate, about 4% of sodium carbonate, …

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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 April 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 12, 1983
GrantedApril 15, 1986
Term endedApril 15, 2003
Patent numberCA 1203054 A
Classification (IPC)C11D3/12 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedDec 12, 1983Patent grantedApril 15, 1986Term endedApril 15, 2003

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