Conditioning compositions
CA 1331145 C · Owner: Wright, Shirley Elizabeth · Inventors: Wright, Shirley Elizabeth; Donkers, Annemieke Constantia Maria
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved conditioning composition for e.g. human hair is formed by admixture of an aqueous emulsion of a polydiorganosiloxane which is preferably a linear polydimethylsiloxane or polymethylphenylsiloxane, and a quaternary ammonium silane of the general formula (ii) R33SiR4N+(R5)3X- having preferably one aliphatic C8-18 group and 2 aliphatic C1-5 groups linked to the N atom. The composition can be used as a rinse conditioner or may be incorporated in a shampoo composition.
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 August 2, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 2, 2011.
- 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.