Production of purified biologically active, bacterially produced recombinant human csf-1
CA 1339757 C · Owner: Cetus Corporation · Inventors: Cowgill, Cynthia; Halenbeck, Robert F.; Koths, Kirston E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for recovering dimeric, biologically active CSF-l from bacterially expressed recombinant CSFl genes is described. The process comprises recovery of the solubilized monomeric form, followed by dimerization under refolding conditions and further purification of the dimer. Heterodimers may also be produced by this process.
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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 March 17, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 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.