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. 05, 2002
Filed:
Jun. 30, 1999
Applicant:
Inventors:
Chitoor S. Subramaniam, East Brunswick, NJ (US);
Zheng Wang, East Brunswick, NJ (US);
Assignee:
Creanova Inc., Somerset, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
An improved process for the commercial production of malononitrile by the dehydration of cyanoacetamide employs cyanuric chloride in the presence of a catalytic amount of N,N-dimethylformamide and in a polar solvent that is removed by vacuum distillation at a temperature below 100° C. The N,N-dimethylformamide is added in a molar ratio of 0.16 moles for each mole of cyanoacetamide present in the starting solution.
Quick Actions:
Subramaniam, Chitoor. (2002). Process for the production of malononitrile (U.S. Patent No. 6353126). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6353126
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile