7.beta.-(2-ARYL-2-(ETHERIFIED OXIMINO) ACETAMIDO) -3-N-SUBSTITUTED CARBAMOYLOXYMETHYLCEPH-3-EM-4-CARBOXYLIC ACIDS
CA 1070673 A · Owner: Glaxo Laboratories Limited · Inventors: Humber, David C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cephalosporin antibiotics in which the 7.beta.-acylamido group is syn 2-aryl-2-(etherified imino) acetamido and in which the 3-position substituent is an alkylalkenyl-etc substituted carbamoyloxymethyl group exhibit high antibacterial activity against a broad range of gram positive and gram negative organisms, particularly high stability to .beta.-lactamases produced by various organisms and stability in vivo. The compounds are syn isomers or exist as mixtures of syn and anti isomers containing at least 90% of the syn isomer.
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 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.
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.