Expired Canadian patentCanada
Compound dc-107 and process for its preparation
CA 1338245 C · Owner: Iida, Takao · Inventors: Iida, Takao; Morimoto, Makoto; Nakano, Hirofumi
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel compound, DC-107, is produced by culturing a microorganism belonging to the genus Streptomyces. It is useful as a medicine because of its antibacterial and antitumor activity.
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 April 16, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 19, 1988
GrantedApril 16, 1996
Term endedApril 16, 2013
Patent numberCA 1338245 C
Classification (IPC)C12P17/18 +2 more
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.