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:
Feb. 13, 1979
Filed:
Oct. 25, 1977
Applicant:
Inventors:
Martin M Halmann, Rehovot, IL;
Dai-Woon Lee, Seoul, KR;
Assignee:
Yeda Research and Development Company, Ltd., Rehovot, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423139 ; 521 29 ; 521 55 ; 210 / ;
Abstract
Extraction means for the selective extraction of nickel from aqueous solutions thereof, being an open-pore polyurethane foam supporting in its matrix a dioxime of the general formula ##STR1## wherein R and R' each designate an alkyl, aryl, aralkyl, alkaryl or a heterocyclic group, which may be substituted by a non-interfering substituent, or R and R' may form together a ring-structure so as to form cyclohexanedione glyoxime; optionally together with a plasticizer.