Novel k99-5278 substance and a process for production thereof
CA 2463722 A1 · Owner: Omura, Satoshi · Inventors: Tomoda, Hiroshi; Omura, Satoshi; Takahashi, Yoko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Microorganisms belonging to the genus Streptomyces and being capable of producing K99-5278A, K99-5278B and K99-5278C which are drugs efficacious , against infection with so-called fungi such as molds and yeasts are cultured , in a medium to accumulate the K99-5278A K99-5278B and K99-5278C in the , culture medium. Then the K99-5278A K99-5278B and K99-5278C are collected from the culture medium. The thus obtained substances are expected as being useful as novel antifungal agents.
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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 October 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 11, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 11, 2024.
- 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
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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.