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:
Dec. 27, 1983
Filed:
Jan. 21, 1981
Applicant:
Inventors:
Alkis S Rappas, Chagrin Falls, OH (US);
Lloyd R Allen, Belmont, MA (US);
Assignee:
Cabot Corporation, Kokomo, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B / ; C01G / ;
U.S. Cl.
CPC ...
423139 ; 7510 / ; 75119 ; 423D / ;
Abstract
A pregnant liquor is mixed with an organic mixture comprised of an organic extracting agent and iso-butyl-heptyl ketone. Metallic values are absorbed from the pregnant liquor by the organic mixture. The metal-bearing organic mixture is then separated from the liquor and stripped of its metallic values.
Rappas, Alkis. (1983). Solvent extraction (U.S. Patent No. 4423014). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4423014
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile