Antiperspirant composition
CA 2060012 A1 · Owner: Dow Corning Gmbh · Inventors: Roidl, Josef J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification describes and claims an antiperspirant in the form of a water-in-oil type emulsion comprising an aqueous solution of an astringent antiperspirant agent as a discontinuous phase, a volatile liquid silicone fluid as a continuous phase, an organopolysiloxane-polyoxyalkylene copolymer compatible with the continuous and discontinuous phases of the composition and a surfactant comprising polypropoxylated myristyl alcohol or the propionic acid ester thereof and optionally additives known in the cosmetic art. The antiperspirant composition according to the invention may be formulated as pump spray, aerosol roll-on or gel types, and has the advantage of exhibiting a substantially …
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 January 24, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 24, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 24, 2014.
- 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.