Substituted vinyl cephalosporins
CA 1340697 C · Owner: Abe, Yoshio · Inventors: Abe, Yoshio; Naito, Takayuki; Hoshi, Hideaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
3-(Z)-1-Propen-1-yl-7-acylamido, cephalosporins in which the 7-acyl group is phenylglycyl or substituted phenylglycyl are orally active antibiotics against Gram+ and Gram- bacteria. Specifically the , 3-(Z)-1-Propen-1-yl-7-acylamido cephalosporins are 3-halomethyl-7-acetamido cephalosporins.
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 August 10, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 10, 2016.
- 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.