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:
Jan. 27, 1976
Filed:
Dec. 30, 1974
Applicant:
Inventors:
Marvin Michael Fein, Westfield, NJ (US);
Paul Alexander Colgate, Los Angeles, CA (US);
Ronald Allan Kent, Ridgewood, NJ (US);
Assignee:
Dart Industries Inc., Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252467 ; 423595 ;
Abstract
An improved copper chromite catalyst having high density, low monovalent ion content, high activity and resistance to poisoning is prepared by reacting a soluble copper salt with chromic acid or a dichromate in solution in the presence of ammonia and urea to precipitate a copper-chromium-nitrogen complex, washing, drying and calcining the precipitate.
Quick Actions:
Fein, Marvin. (1976). Copper chromite catalyst and the process for producing it (U.S. Patent No. 3935128). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3935128
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile