Preparation of 2-(3-methylpiperidinothio)-benzothiazole and 2-(4-methylpiperidinothio)-benzothiazole
CA 1065320 A · Owner: Goodyear Tire And Rubber Company (The) · Inventors: Pappas, Penelope R.; Parker, Dane K.; Leshin, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
INVENTORS: Richard Leshin, Penelope R. Pappas and Dane K. Parker, INVENTION: PREPARATION OF 2-(3-METHYLPIPERIDINOTHIO)- BENZOTHIAZOLE AND 2-(4-METHYLPIPERIDINOTHIO)- BENZOTHIAZOLE, Abstract of the Disclosure This invention relates to an improved procsss for preparing 2-(3-methylpiperidinothio)-benzothiazole and 2- (4-methylpiperidinothio)-benzothiazole wherein the order of addition of the reactants comprises slurrying benzothiazolyl disulfide in water, adding an oxidizing agent and effecting a reaction by the addition of an amine or an amine salt solution.
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 October 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 30, 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.