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:
Mar. 24, 1981
Filed:
Jun. 08, 1979
Applicant:
Inventor:
Sameeh S Toukan, Schuylkill, PA (US);
Assignee:
Pennwalt Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548167 ;
Abstract
Processes for the manufacture of sulfenamides by the oxidation of a mixture of 2-mercaptobenzothiazole and the appropriate amine in a critical amount of water and/or organic solvent produces a pure product of good quality and high yield. The amount of water should be in the range of from 10 to 30% by weight based on the total reaction mixture.