Cl-1957b antibiotic compound and its production
CA 1232852 A · Owner: Warner-Lambert Company · Inventors: French, James C.; Hokanson, Gerard C.; Schaumberg, John P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A purified isolate of an actinomycete identified as ATCC 39366 is capable of producing the antimicrobial compound CL-1957B which also exhibits antitumor properties. The antimicrobial compound CL-1957B is produced by cultivating isolate ATCC 39366 under aerobic conditions in a culture medium containing assimilable sources of carbon and nitrogen until a substantial quantity of the CL-1957B compound is produced and, subsequently isolating the compound. The antibiotic compound CL-1957B its phar-, maceutically acceptable salts and pharmaceutical, compositions comprising this substance together with a pharmaceutically acceptable carrier is also disclosed, as are methods of treating microbial …
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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
- Granted February 16, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 2005.
- 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.