Process for scavenging thiols
CA 2247899 A1 · Owner: Lee, Sue · Inventors: Cappelletto, Tullio; Lee, Sue; Desilets, Denis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Thiols are trapped, and converted to disulfide compounds by a process of , reacting them with compounds containing a 1,2,4-thiadiazole ring structure carrying a substituent at position 3 of the thiadiazole ring and being , unsubstituted at position N-2. The process is useful pharmacologically in , inhibiting certain thiol-containing enzymes such as H+/K+-ATPase (the proton pump), and industrially, in selective removal of thiol compounds from gas or liquid mixtures.
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 26, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 26, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 26, 2019.
- 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.