Process for producing mitomycin a by fermentation
CA 1193211 A · Owner: Kyowa Hakko Kogyo Co. Ltd. · Inventors: Tomohiro, Susumu; Arai, Yuko; Mineura, Kazuyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for producing mitonmycin A by fermentation which, involves culturing a microorganism belonging to the genus Streptomyces which is capable of producing mitomycin A and having at least one property of (1) deficiency in an ability to produce mitomycin C and (2) a resistance to tryptophan analog, in a culture medium forming and accummulating mitomycin A in the culture medium; and recovering mitomycin A therefrom.
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 10, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 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.