Process for the preparation of purified albumin solutions
CA 2018511 C · Owner: Burnouf, Thierry · Inventors: Dernis, Dominique; Burnouf, Thierry
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 process for preparing purified albumin from a human or animal physiological solution such as a, plasma or a plasma fraction. The process includes a process of delipidation using an anionic detergent and two chromatographic separation stages using ion-exchange resin. By applying the process according to the invention it is, possible to obtain an albumin solution of great purity that is, stable and suitable for therapeutic use.
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 June 7, 1990 and granted July 31, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 7, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 7, 2012.
- 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.