A method of inactivating a lipid-enveloped virus in a therapeutic solution
CA 1340211 C · Owner: Bayer Corporation · Inventors: Seng, Richard L.; Lundblad, John L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Lipid-enveloped viruses present in purified biologically active protein products obtained from blood or cell culture systems can be inactivated by contacting the products with caprylic acid at a non-ionized concentration pH, temperature and ionic environment sufficient to inactivate the viruses without adversely precipitating or affecting the biological activity of the protein products.
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 December 15, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 2015.
- 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.