Controlled fade effervescing cleanser
CA 1183752 A · Owner: Warner-Lambert Company · Inventors: Eoga, Anthony B.J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cleansing composition is disclosed with household and personnel care applications and comprise; a monopersulfate oxidizing Agent and a halide bleaching promoter to which, is added an effervescence promoting compound comprising a perborate salt. The resulting composition is operable and capable of effervescing at an alkaline pH at which it is, also a more effective cleanser. In a further embodiment the above cleansing composition, may include a colorant and a fade control agent comprising a compound providing a soluble halide ion for applications where it is desirable that the color provided by the colorant will fade within a given period of time. Small quantities of the fade control …
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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 March 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.