O/w type emulsion composition
CA 1296966 C · Owner: Nakamura, Tohru · Inventors: Nakamura, Tohru; Suzuki, Toshiyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition comprising; (A) a basic amino acid salt of a higher aliphatic phosphate represented by the following formula (I):, (I), in which R1 is an alkyl or alkenyl group having from 12 to 22 carbon atoms, and (B) an .alpha.-monoalkyl glyceryl ether represented by the following formula (II): (II), in which R2 is an alkyl group having from 12 to 24 carbon atoms. The composition provides an O/W type emulsion suitable for use as cosmetics which has a small viscosity decrease at a high temperature and a small viscosity increase at a low temperature, is stable during storage over a long period of time, provides a good feeling and a moisture retaining effect on use to the skin, and yet has …
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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 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 2009.
- 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.