5-amino derivatives of 7-phenyl 1,4-diazepines
CA 1064488 A · Owner: Sandoz Ltd. · Inventors: Simpson, William R. J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
5-AMINO DERIVATIVES OF 7-PHENYL-1,4-DIAZEPINES Abstract, The invention provides processes for the preparation of 5-amino-7-phenyl-2,3-dihydro-1H-1,4-diazepine and certain of its derivatives having substituents on the 5-amino nitrogen atom and on the 7-phenyl group. The compounds are indicated for use as anti-obesity and anti-diabetic agents.
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 October 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 16, 1996.
- 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.