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. 06, 2011
Filed:
Dec. 16, 2008
Applicants:
Joachim C. Ritter, Wilmington, DE (US);
Annalisa Hargis, Wilmington, DE (US);
Inventors:
Joachim C. Ritter, Wilmington, DE (US);
Annalisa Hargis, Wilmington, DE (US);
Assignee:
E.I du Pont de Nemours & Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is provided for the preparation of 1,3-diamino-4,6-dinitrobenzene by amination of 1,3-dihalo-4,6-dinitrobenzene. The presence of water advantageously results in a highly pure product, free or essentially free of glycol ether impurities.
Ritter, Joachim. (2011). Process for the synthesis of 1,3-diamino-4,6-dinitrobenzene (U.S. Patent No. 8071812). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8071812
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile