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:
Sep. 15, 1981
Filed:
May. 27, 1980
Applicant:
Inventor:
John M Wilson, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
156667 ; 156637 ; 156664 ; 252 792 ; 252 794 ; 134-3 ;
Abstract
By this invention there is provided a method for dissolving cobalt (II) and cobalt (III) compounds by contacting said compounds with an aqueous acidic solution comprising a compound containing a radical selected from the group consisting of cyano, cyanato, thiocyanato, ferricyano and mixtures thereof.