Process for the inactivation of genes which code for enzymes for the catabolism of phenyl acetate, plasmids involved in such process and strains transformed therewith
CA 2258562 A1 · Owner: Rodriguez Saiz, Marta · Inventors: Diez Garcia, Bruno; Fernandez Canon, Jose Manuel; Rodriguez Saiz, Marta
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process for inactivating genes which code for enzymes of the phenyl acetate catabolism, plasmids containing them and strains transformed therewith. The process applies preferably to the gene pahcA of A.nidulans and to the gene pahA of P. chrysogenum, genes which code respectively for competitor enzymes for this substrate with the biosynthetic enzymes of penicillin. The non expression of said enzymes favors the synthesis of this antibiotic increasing , its production, with a smaller demand of phenyl acetate per culture unit.
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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 April 17, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 17, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 2020.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.