Therapeutic amines
CA 2093777 A1 · Owner: Eakin, Murdoch Allan · Inventors: Harrison, Peter John; Mallion, Keith Blakeney; Brown, George Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds of formula I and their pharmaceutically, acceptable salts in which R1 and R2 are hydrogen, alkyl cycloalkyl, cycloalkylalkyl, phenylalkyl or alkenyl; or NR1R2 is a heterocyclic group; A is trimethylene optionally substituted by alkyl and the phenyl ring is optionally substituted by substituents such as halogeno alkenyl, amino, cyano, ureido, alkyl, carbamoylalkyl alkanoylamino, alkoxycarbonyl, N-alkyl-alkanoylamino alkanoyl and amines thereof;, are inhibitors of squalene synthese and hence useful in treating diseases in which a lowering of cholesterol is desirable. As well as the use of these compounds in medicine novel compounds, processes for, their preparation and …
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
- Filed April 8, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 8, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 8, 2015.
- 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.