The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 1988
Filed:
Apr. 28, 1986
Applicant:
Inventors:
Alfredo Wust, Roesrath, DE;
Tony van Osselaer, Belsele, BE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen-Bayerwerk, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544135 ; 544368 ; 546198 ; 548167 ; 548168 ;
Abstract
Benzothiazolesulphenamides can be prepared in high yield and purity from dibenzothiazolyl disulphide and a primary or secondary amine in the absence of an oxidizing agent in a water-immiscible organic solvent and in the presence of aqueous alkali by presenting a solution of the amine in the organic solvent and adding dibenzothiazolyl disulphide and aqueous alkali either simultaneously or in succession.