Amino acid derivatives
CA 1297105 C · Owner: Novo Industri A/S · Inventors: Sonnewald, Ursula
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Phenylbutene derivatives having optionally substituted phenyl and pyrrolyl, furanyl pyridinyl, pyrazinyl, imidazolyl, pyrazolyl pyrimidinyl, pyrrolidinyl, tetrahydrofuranyl piperidinyl, piperazinyl or alkylthienyl in the 4-position and 3-carboxypiperid-1-yl 3-, carboxytetrahydropyrid-1-y1 or 3-carboxymethylpyrrolidin-1-yl in the l-position potentiate GABA'ergic neurotransmission.
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 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 2009.
- 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.