Topical composition comprising a functionally alkylating cosmetic bonding agent
CA 2448245 A1 · Owner: Bekele, Haimanot · Inventors: Bekele, Haimanot
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 that comprise: a) a safe and effective amount of a functionally alkylating bonding agent having the structure (I); wherein X represents a cosmetic benefit agent that may or may not be attached via chemical linker; R is selected from the group consisting of COCH2Cl, C OCH2Br, COCH2I Cl, Br, I, N3, CH2OM', CH2OT', CH2OT", sulfonic esters; and wherein M' is (II); T' is (III); and T" is (IV); and b) a cosmetically acceptable carrier for the bonding agent wherein the composition is administered topically to mammalian proteinaceous substrates and wherein the bonding agent reacts with a protein contained in the substrate such that the …
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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
- Filed March 5, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 5, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 5, 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.