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:
Nov. 29, 1983
Filed:
May. 24, 1982
Applicant:
Inventors:
James R Jennings, Yarm, GB;
George N Pessimisis, Westchester, IL (US);
Assignees:
Katalco Corp., Oak Brook, IL (US);
Imperial Chemical Industries Limited, London, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252182 ; 423 56 ; 423 57 ; 423143 ; 423145 ;
Abstract
The Abstract of the Invention is a method of making a solution of the nitrates of iron and chromium from a spent catalyst containing oxides of iron and chromium, which method comprises:
Jennings, James. (1983). Method for recovery of metals from spent iron-chrome shift catalyst and (U.S. Patent No. 4417997). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4417997
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile