Antibiotic pa-39504-x.sub.n and production thereof
CA 1159782 A · Owner: Shionogi & Co. Ltd. · Inventors: Shoji, Jun'Ichi; Tsuji, Naoki; Matsumoto, Kouichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract:, A new antibiotic having .beta.-lactamase inhibitory activity, PA-39504-X1 of the formula:, being useful as a medicament and a veterinary drug for inhibiting the growth of gram-positive and gram-negative pathogenic microorganisms and a process for preparing the same, being characterized by cultivating Streptomyces argenteolus PA-39504 or Streptomyces tokunonensis PA-31088 in a suitable medium and recovering PA-39504-X1 from the cultured broth. - 1 -
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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 January 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2001.
- 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.