2-(2-heterocyclic-methylsulphinyl)-benzimidazole compounds
CA 1055033 A · Owner: Ab Hassle · Inventors: Von Wittken Sundell, Gunhild W.; Garberg, Lars E.; Junggren, Ulf K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New compounds of the formula Het, and their therapeutically acceptable salts in which R and R3 are the same, or different and are selected from the group consisting of hydrogen alkyl, halogen, cyano, carboxy, carboxyalkyl carboalkoxy, carboalkoxyalkyl, car-, bamoyl carbamoylalkyl, hydroxy, alkoxy, hydroxyalkyl trifluoromethyl and, acyl in any position R4 is selected from the group consisting of hydrogen alkyl, acyl, carboalkoxy, carbamoyl, alkylcarbamoyl dialkylcarbamoyl, alk-, ylcarbonylmethyl alkoxycarbonylmethyl, alkylsulfonyl, R6 is a straight or branched alkyl group having 1 to 4 carbon atoms whereby at most one methy-, lene group is present between S and Het and Het is selected from …
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 22, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 1996.
- 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.