Clear emulsion cosmetic compositions
CA 2294584 C · Owner: Znaiden, Alexander Paul · Inventors: Slavtcheff, Craig Stephen; Znaiden, Alexander Paul; Kanga, Vispi Dorab
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Clear emulsion cosmetic compositions are provided that include an aqueous phase having 2-methyl-1,3-propanediol and an oily phase containing silicones, especially cyclomethicone and a cyclomethiconedimethicone copolyol silicone fluid mixture. These compositions exhibit visual clarity and can be formulated into a cold cream or antiperspirant/deodorant which are highly phase stable and insensitive to shear decomposition while being processed.
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
- Filed May 27, 1998 and granted October 14, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 27, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 2020.
- 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.