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:
Dec. 21, 1976
Filed:
Jun. 07, 1974
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, D;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ;
Abstract
Chlorothio-N-phthalimide is prepared by reacting N,N'-dithio-bis-phthalimide with chlorine or a chloriating agent at a temperature of 20.degree. to 100.degree. C. The product of the process can be used as an intermediate for preparing vulcanization retarding agents. The product produced can also be utilized to prepare N-[2-formylpropylthio-(2)]-phthalimide by reaction with isobutyraldehyde in the presence of an acid binding agent.