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. 23, 2001
Filed:
Sep. 27, 1999
Applicant:
Inventor:
Mario Fantucci, Milan, IT;
Assignee:
Zambon Group S.p.A., Vicenza, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F 1/52 ; C07B 6/302 ; C09B 6/754 ;
U.S. Cl.
CPC ...
C02F 1/52 ; C07B 6/302 ; C09B 6/754 ;
Abstract
A method for removing heavy metals, selected from palladium, tin and nickel, from heavy metal complexes with thiazole compounds in aqueous or alcoholic solution, by precipitation as sulfides, characterised in that such solutions are treated with a water-soluble ammonium, alkaline or alkaline-earth sulfide.