Hydroxyproline-rich proteins and pharmaceutical and cosmetic formulations containing them
CA 2208960 C · Owner: Indena S.P.A. · Inventors: Bombardelli, Ezio; Ponzone, Cesare
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to hydroxyproline-rich glycoproteins which can be , obtained by acid alcohol extraction from Taxus spp. Gingko biloba Lycopersicum esculentum and Daucus carota cell cultures having the following , characteristics: average molecular weight 20,000 Daltons with variability interval 12,000 to 38,000, determined by means of gel permeation and electrophoresis; high solubility in water.
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 December 21, 1995 and granted September 11, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 21, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 21, 2017.
- 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.