Expired Canadian patentCanada
Monoacetyl urea in cosmetic compositions
CA 1083967 A · Owner: Unilever Limited · Inventors: Humbert, Francoise; Davot, Micheline
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cosmetic composition for the treatment of human skin comprises monoacetyl urea dispersed or dissolved in a vehicle other than water. The composition may form a liquid or a solid.
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 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 1, 1977
GrantedAugust 19, 1980
Term endedAugust 19, 1997
Patent numberCA 1083967 A
Classification (IPC)A61K8/02
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.