2,2-dimethylchromene derivatives, process for their preparation and pharmaceutical compositions in which they are present
CA 1329603 C · Owner: Sanofi · Inventors: Gautier, Patrick; Garcia, Georges; Di Malta, Alain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A N PATENT & TRADEMARK OFFICE PATENT APPLICATION, entitled: 2,2-Dimethylchromene derivatives process, for their preparation and pharmaceutical compositions in which they are present in the names of: Georges GARCIA, Alain DI MALTA Patrick GAUTIER, Assignee: SANOFI, ABSTRACT The present invention relates to 2,2-dimethylchromene derivatives of the formula :, (I) in which Z represents a halogen atom or a cyano nitro, acetyl, phosphono or dialkoxyphosphoryl group the alkoxy, group containing 1 to 3 carbon atoms and the, pharmaceutically acceptable salts of the phosphono group. These compounds show an antihypertensive and antiarrythmic activity. The present invention also relates to a process for …
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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 May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2011.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.