Cosmetic composition
CA 1331009 C · Owner: Unilever Plc · Inventors: Hagan, Desmond Bernard; Spiegel, Udo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An acid-soap complex comprises: (i) at least two 2-hydroxyalkanoic acid moieties of carbon chain length Cm and Cn respectively where m and n have the same or different values and, each is an integer of from 6 to 28; and (ii) a cation;, the complex having an elemental analysis of: (Cm H2m-1/2 O3) (Cn H2n-1/2 O3) M, where M is the cation. A process for preparing the complex and its use in compositions suitable for topical application to human skin, hair and nails is also claimed.
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 July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 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.