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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.:

US 4145397 B1

PDFFull Text
Date of Patent:
Mar. 20, 1979

Filed:

Aug. 03, 1977

Process for recovering molybdenum, vanadium, cobalt and nickel from

Applicant:
Inventors:

Shigeo Toida, Tokyo, JP;

Akira Ohno, Ichikawa, JP;

Kozo Higuchi, deceased, LATE OF Tokyo, JP;

by Makoto Higuchi, heir at law, Tokyo, JP;

by Yuko Higuchi, heir at law, Tokyo, JP;

Assignees:

Marubeni Corporation, Tokyo, JP;

Fuji Fine Chemical Co. Ltd., Tokyo, JP;

Attorney:

Flynn and Frishauf

Primary Examiner:

Herbert T Carter

Int. Cl.
CPC ...
C01G / ; C01G / ; C01G / ; C01G / ;
U.S. Cl.
CPC ...
423 54 ; 2041 / ; 423 58 ; 423 56 ; 423 61 ; 423 63 ; 423 65 ; 423 67 ; 423 68 ; 423112 ; 423127 ; 423131 ; 423143 ; 423139 ; 423150 ;
Abstract

From roasted products of used catalysts from hydrotreatment desulfurization of petroleum, valuable molybdenum, vanadium, cobalt and nickel are recovered easily and a high percent recovery by means of a combination of simple chemical procedures and also inexpensive chemicals. The recovered metal components can be reused for preparing new catalysts and the like.

Find Patent Forward Citations

Toida, Shigeo. (1979). Process for recovering molybdenum, vanadium, cobalt and nickel from (U.S. Patent No. 4145397). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4145397

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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