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:
Feb. 05, 1985
Filed:
Apr. 27, 1983
Applicant:
Inventors:
William R Hatfield, Westfield, NJ (US);
Ronald M Heck, Frenchtown, NJ (US);
Thomas H Hsiung, Piscataway, NJ (US);
Assignee:
Engelhard Corporation, Iselin, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B / ; B22F / ;
U.S. Cl.
CPC ...
75 83 ; 428567 ; 428593 ; 423403 ; 242 62 ;
Abstract
Improved recovery of platinum lost from the catalyst gauze in a nitric acid plant is obtained by using palladium containing recovery gauzes configured to enhance the mass transfer characteristics of the system.
Hatfield, William. (1985). Method for recovering platinum in a nitric acid plant (U.S. Patent No. 4497657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4497657
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile