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, 1992
Filed:
Jul. 26, 1990
Applicant:
Inventor:
Allen B Quakenbush, Lake Charles, LA (US);
Assignee:
Olin Corporation, Cheshire, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568934 ; 568940 ; 568939 ; 568935 ; 568932 ; 568928 ; 210633 ;
Abstract
Described herein is a process for separating an acid impurity from a solution containing acid and a nitro substituted aromatic compound by contacting the solution with at least one molten nitrate salt.
Quakenbush, Allen. (1992). Process for separating acid from nitro substituted aromatics using a (U.S. Patent No. 5099079). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5099079
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