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:
Aug. 05, 1980
Filed:
Aug. 23, 1977
Applicant:
Inventor:
Eke Verschuur, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03B / ;
U.S. Cl.
CPC ...
209 10 ; 209268 ; 406197 ;
Abstract
A method for processing a slurry of coal particles in water by dividing the slurry into a coarse fraction including at least substantially the coarser coal particles and a fine fraction including at least substantially the finer coal particles, reducing the water content of the coarse fraction, and separately stabilizing the fine fraction by addition of coal particles alone or coal particles suspended in water or oil, or by reduction of the water content of the fine fraction.