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. 06, 1976
Filed:
Jun. 28, 1974
Applicant:
Inventor:
Tom P Chen, Arvada, CO (US);
Assignee:
Cyprus Metallurgical Processes Corporation, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C / ; C22B / ; C22B / ; C25C / ;
U.S. Cl.
CPC ...
2041 / ; 204107 ; 204111 ; 204113 ; 204117 ; 204118 ; 204122 ;
Abstract
Accelerated reaction rates and improved yields are accomplished when sulfides of metals of groups Ib, IIb, IVa, Va and VIII of the Periodic Table are oxidized in aqueous medium to convert the sulfide sulfur to elemental sulfur by performing the reaction in the presence of activated carbon.