Use of thiadiazolo4,3-apyridine derivatives
CA 2318237 A1 · Owner: Roche Diagnostics Gmbh · Inventors: Schaumann, Wolfgang; Friebe, Walter-Gunar; Wilhelms, Otto-Henning
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Use of compounds of the formula (I), in which X and X identically or , differently, are hydrogen a C - to C -alkyl radical or a halogen atom or if , they are in adjacent positions, form a fused phenyl ring together with the carbon atoms carrying them, and R is an optionally substituted carbocyclic or heterocyclic saturated or unsaturated radical and their physiologically , tolerable salts for the production of medicaments for diseases which are modulated via inhibition of phosphodiesterase(s) by cyclic nucleotides in , particular cyclic adenosine monophosphate. The diseases are more particularly proliferative disorders, including tumors lymphomas, leukaemias, atherosclerosis 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 February 11, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 11, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 2021.
- 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.