Pseudoplastic, film forming cosmetic compositions
CA 2448070 A1 · Owner: Scott, Alic Anthony · Inventors: Zoltowski, Craig Eugene; Gilley, John Michael; Scott, Alic Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to cosmetic compositions having improved application benefits to keratinous tissue and keratinous fibers wherein said compositions have improved application benefits while avoiding the negatives , associated with compositions currently known in the art. The cosmetic compositions exhibit a turning point stress of from about 650 Pa to about 1500 Pa and a high shear rate slope of less than about 0.5 Pa-s. Applicants have also found that the compositions disclosed herein are also useful for other cosmetic applications that relate to keratinous tissues like skin e.g. lipsticks, foundations, eyeliners lipliners, eyeshadows, rouges, etc. where it is desirable …
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 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 30, 2024.
- 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.