Process for the isolation of pseudomonic acid a from pseudomonic acid complex-containing culture broth
CA 2360840 A1 · Owner: Nagy Nee Arvai, Edit · Inventors: Bidlo Nee Igloy, Margit; Nagy Nee Arvai, Edit; Szabo, Csaba
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the isolation of the pseudomonic acid A antibiotic of pharmaceutical quality from the culture broth of one of the pseudomonic acid Aproducing species of the Pseudomonas bacterium genus comprising the extraction of the biosynthesized pseudomonic acid A from the culture broth at acidic pH with a chlorinated aliphatic hydrocarbon or isobutyl acetate followed by , purification, is disclosed. The invention includes processes for purification of the isolated pseudomonic acid A, including (a) by the distribution of the evaporated extract residue between the aqueous-alcohol and some aliphatic or aromatic hydrocarbon, and then the extraction of the increased watercontaining …
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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 February 3, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 3, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 3, 2022.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.