Patent Yard Sign in
Expired Canadian patentCanada

Fr-900848 substance and preparation thereof

CA 1263621 C · Owner: Fujisawa Pharmaceutical Co. Ltd. · Inventors: Yoshida, Masaru; Horikoshi, Koki

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

A new compound having biological activity called FR-900848 and its pharmaceutically acceptable salts. This compound and its salts have antimicrobial activity against various microorganisms. They are useful for the treatment of infectious diseases in human beings and animals. The compound is produced by culturing a strain belonging to the genus Streptoverticillium such as Streptoverticillium fervens HP891 in a nutrient medium.

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 December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 8, 1988
GrantedDecember 5, 1989
Term endedDecember 5, 2006
Patent numberCA 1263621 C
Classification (IPC)C12P1/06 +2 more

Timeline

Timeline From CIPO dates

198919911993199519971999200120032005Application filedApril 8, 1988Patent grantedDec 5, 1989Term endedDec 5, 2006

Sources & verification

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