Process for the preparation of substituted imino diacids
CA 1341196 C · Owner: Vincent, Michel · Inventors: Vincent, Michel; Laubie, Michel; Remond, Georges
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1. Compounds responding to the general formula (see formula I) in which: R1 represents a hydrogen atom or an alkyl group with 1 to 4 carbon atoms R2 represents a linear alkyl group with 1 to 6 carbon atoms and their pharmaceutically acceptable addition salts. These compounds are useful as medication. ",
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 March 6, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2018.
- 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.