Patent Yard Sign in
Expired Canadian patentCanada

Process for the production of nocardicin c,d,e,f and g

CA 1069449 A · Owner: Fujisawa Pharmaceutical Co. · Inventors: Hosoda, Junji; Imanaka, Hiroshi; Aoki, Hatsuo

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

New Nocardicins designated Nocardicin C. Nocardicin D Nocardicin E, Nocardicin F and Nocardicin G are provided together with a process for their preparation, which comprises cultivating a Nocardicin C, D, E, F and/or G producing strain of the genus Nocardicin in an aqueous nutrient medium under aerobic conditions and recovering the Nocardicin C, D, E, F or G: suitable strains include Nocardia uniforms subsp. tsuyamanensis for example, Nocardia uniforms subsp. tsuyamanensis ATCC 21806 or a mutant thereof; the new Nocardicins posses specific antibiotic spectrums, have low toxicity and are active against pathogenic 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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 8, 1980
Term endedJanuary 8, 1997
Patent numberCA 1069449 A
Classification (IPC)C12P1/00 +2 more

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.