Process for the preparation of collagen and obtained product
CA 1322166 C · Owner: Istituto Gentili S.P.A. · Inventors: Menicagli, Claudio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the preparation of undenaturated triple helix collagen, starting from animal tendons or cutis, by extraction with diluted organic acids precipitation with salts, optional gelation and/or lyophilization, tangential filtration. The obtained collagen shows favourable purity characteristics, is not allergenic and more effective in the healing processes than collagens obtained by known methods.
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
- Granted September 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 14, 2010.
- 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.