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. 08, 1997
Filed:
Jan. 16, 1996
Applicant:
Inventors:
Nabil Rizkalla, Riverdale, NJ (US);
William Armstrong, Ramsey, NJ (US);
Assignee:
Scientific Design Company, Inc., Little Ferry, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502347 ; 502243 ; 502348 ;
Abstract
A silver catalyst for ethylene oxidation to ethylene oxide is prepared by impregnating an inert support with a silver/amine solution as well as with various promoters and calcining the impregnated support at 300.degree.-500.degree. C., the catalyst being maintained under an inert atmosphere at temperatures of 250.degree. C. or higher, preferably at 100.degree. C. or higher.
Rizkalla, Nabil. (1997). Promoted silver acatalyst preparation (U.S. Patent No. 5646087). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5646087
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile