Compound of choline, a process for its preparation and therapeutic composition containing it
CA 1301776 C · Owner: Rapin, Jean · Inventors: Rapin, Jean; Nguyen, Dat X.; Staron, Thadee
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The subject of the invention is the choline diethyl-dithiocarbamate having the following structural formula : as well as a process for its preparation from choline chloride and sodium diethyl-dithio-carbamate trihydrate. This substance is useful in the treatment of degenerative brain diseases.
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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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.