Process for the preparation of vancomycin
CA 2045483 A1 · Owner: Varga, Ilona · Inventors: Financsek, Istvan; Garamvolgyi, Mihaly; Varga, Ilona
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 preparation of the vancomycin antibiotic in a microbiological way by aerobic fermentation, by using a strain belonging to the Micropolyspora species in a culture-medium containing assimilable carbon and nitrogen sources as well as mineral salts. According to the invention as microorganisms the aminoglycoside-resistant NCAIM 001092 and NCAIM 001093 mutants of the strain belonging to the Micropolyspora orientalis species are used. Nitrates are suitable mineral salts in the fermentation. Soy flour, glycerol calcium, gluconate, starch are useful carbon sources. The fermentation is carried out preferably at a temperature of 29 - - 30°C. The vancomycin …
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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
- Filed November 27, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 27, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 27, 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.