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. 07, 1993
Filed:
Aug. 09, 1991
Applicant:
Inventors:
James A Salter, Katy, TX (US);
James P Frederick, Gillette, WY (US);
Edward C Sumner, IV, Houston, TX (US);
Assignee:
Zeigler Coal Holding Company, Fairview Heights, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44577 ; 44552 ; 44560 ;
Abstract
Coal or other fine particles are pelletized by mixing relatively moist particles of them with fine particles of a waste product collected during grain transport and storage and extruding or pelletizing the mixture without extensive heating or steaming.