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:
Nov. 08, 1988
Filed:
Jun. 08, 1987
Applicant:
Inventors:
John C Bixel, Newtown, PA (US);
Michael J Dabkowski, Mickleton, NJ (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C01L / ; C01L / ;
U.S. Cl.
CPC ...
44501 ;
Abstract
Coal is rendered less subject to abrasion and disintegration by reducing it to a 0.2 to 0.5-inch particle size and drying it at a temperature of 200.degree. to 230.degree. F. for 3-7 minutes. The coal is rendered less susceptible to spontaneous ignition by the application of a treating agent which is a petroleum resid mixed with clarified slurry oil or a petroleum resid mixed with a distillate.