Shaving cream gel
CA 1252727 A · Owner: Colgate-Palmolive Company · Inventors: Su, Dean T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A shaving cream composition in the form of a stable post-, foaming gel which comprises a higher fatty acid soap a humectant, a hydro-, carbon propellant water and a water-soluble gelling agent which is the interpolymer reaction product of a quaternized cationic polymer selected from the group consisting of poly (diallyldimethylammonium chloride-coacrylamide) and a quaternary ammonium cellulose ether polymer with, an anionic polymer selected from the group consisting of a polysulfonic acid and alginic acid, said composition exhibiting superior foaming and after feel characteristics.
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 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 18, 2006.
- 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.