Cosmetic sunscreen product for the face and body
CA 1293930 C · Owner: Induchem Ag · Inventors: Tur, Wladimir
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a cosmetic tanning product which, in addition to a conventional UV filter and at least one activator, contains at least one compound of the formula, in which R1 is H or CH3-(CH2)X with x being 1, 2, ... 20, and R2 is CH3CO- or CH3-(CH2)y-CO with y being 1, 2, ... 20. Suitable activators are on the one hand, alkali, metal and/or alkaline earth metal salts of adenosine-5'tri-, di- or mono-phosphoric acid and/or mixtures with the corresponding alkali metal and/or alkaline earth metal hydrogen phosphates of the following molecular formula: with m being 0, 1 or 2, and when m is 0 or 1 R3 being AK or 1/2 EAK, and when m is 2 R3 being H and R4 being AK or, 1/2 EAK, and AK …
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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 January 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 7, 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.