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:
Jun. 30, 1987
Filed:
May. 14, 1985
Applicant:
Inventors:
Lamar S Todd, Amherst, NY (US);
Robert H Kaiser, Youngstown, NY (US);
Donald R Hilburger, No. Tonawanda, NY (US);
Assignee:
Elkem Metals Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ; C01G / ;
U.S. Cl.
CPC ...
4235 / ; 4235 / ; 4235 / ; 423565 ;
Abstract
A method for making a fused compound from a metal and a non-metal and more particularly a method for making a metal sulfide is disclosed. The method is particularly advantageous in making manganese sulfide. An excess of metal and recycled compound are used to control sulfur vaporization and a portion of the product is recycled to control the reaction. Conventional equipment can be used in the method.