Heat stabilization of plasma proteins
CA 1196281 A · Owner: American National Red Cross · Inventors: Williams, Craigenne A.; Wickerhauser, Milan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for the heat stabilization of a plasma protein such as C1-INA or Factor IX comprising heating the protein in an aqueous medium in the presence of potassium or ammonium citrate in an amount of from in excess of 2.0M to saturation of the medium. The method is particularly applicable to the stabilization of plasma proteins against thermal denaturation during pasteurization.
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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 November 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2002.
- 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.