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:
Jul. 30, 1991
Filed:
Jun. 13, 1989
Applicant:
Inventor:
Jan J Lerou, Chadds Ford, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502317 ; 502319 ;
Abstract
An improved Cr.sub.2 O.sub.3 catalyst composition, prepared by pyrolysis of ammonium dichromate, which contains less than 100 ppm of alkali metal and is useful in HF hydrofluorination reactions.
Lerou, Jan. (1991). Chromium oxide catalyst composition (U.S. Patent No. 5036036). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5036036
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile