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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 4348367 B1

PDFFull Text
Date of Patent:
Sep. 07, 1982

Filed:

May. 14, 1981

Selective removal of cobalt(ii) from aqueous solutions with phosphinic

Applicant:
Inventors:

William A Rickelton, Niagara Falls, CA;

Allan J Robertson, Thorold, CA;

David R Burley, Kinnelon, NJ (US);

Assignee:

American Cyanamid Company, Stamford, CT (US);

Attorneys:

Kelly; Michael J.

Leuzzi, II; Paul W.

Primary Examiner:

Brian E Hearn

Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423139 ; 2604 / ;
Abstract

Cobalt(II)-bearing aqueous solutions may be treated with an extractant comprising an organic-soluble phosphinic acid, or a salt thereof, to separate the cobalt(II) from the aqueous solution. Typical extraction techniques compatible with the instant process include liquid-liquid extraction employing either mixer settlers or columns, packed beds of supported extractants as in ion exchange, liquid membrane extraction and selective supported membrane extraction.

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Rickelton, William. (1982). Selective removal of cobalt(ii) from aqueous solutions with phosphinic (U.S. Patent No. 4348367). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4348367

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

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