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. 19, 2007
Filed:
Mar. 26, 2004
Applicants:
Palaniappan Srinivasan, Hyderabad, IN;
Vaidya J. Rao, Hyderabad, IN;
Gangadasu Banda, Hyderabad, IN;
Inventors:
Palaniappan Srinivasan, Hyderabad, IN;
Vaidya J. Rao, Hyderabad, IN;
Gangadasu Banda, Hyderabad, IN;
Assignee:
Council of Scientific and Industrial Research, New Delhi, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 239/02 (2006.01); C07D 239/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a process for the preparation of substituted dihydropyrimidinones using polyaniline salts as reusable catalysts, which comprises reacting an aldehyde, a β-keto ester and urea/thiourea in the presence of a polyaniline salt catalyst and separating the substituted dihydropyrimidinone obtained.
Srinivasan, Palaniappan. (2007). Substituted dihydropyrimidinone preparation using polyaniline salt catalyst (U.S. Patent No. 7232905). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7232905
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile