Antibiotic compounds
CA 1111792 A · Owner: Bristol-Myers Squibb Company · Inventors: Tsukiura, Hiroshi; Kawaguchi, Hiroshi; Tomita, Koji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A novel antibiotic complex designated herein as Bu-2313 is produced by fermentation of Micropolyspora sp. A.T.C.C. 31295, 31296, 31297 and 31298. The complex is separated into two bioactive components Bu-2313A and Bu-2313B, which are structurally related to the streptolydigin-tirandamycin group of antibiotics. They are active against anaerobic bacteria.
Read the whole patent
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 November 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 1998.
- 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.