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. 17, 1998
Filed:
Oct. 04, 1996
Applicant:
Inventors:
Dorai Ramprasad, Allentown, PA (US);
Francis Joseph Waller, Allentown, PA (US);
Anthony Gerard Barrett, London, GB;
David Christopher Braddock, London, GB;
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568930 ; 568927 ; 568932 ; 568934 ; 568937 ; 568938 ; 568939 ; 568940 ; 568929 ;
Abstract
A process for preparing a nitrated arene which comprises reacting an arene and nitric acid in the presence of a water tolerant Lewis acid catalyst under process conditions sufficient to form the nitrated arene and recovering the nitrated arene. Suitable Lewis acid catalysts are represented by the formula M.sup.n (A.sub.1).sub.x (A.sub.2).sub.n-x wherein
Ramprasad, Dorai. (1998). Nitration process which employs water tolerant lewis acid catalysts (U.S. Patent No. 5728901). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5728901
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile