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, 1987
Filed:
Jul. 03, 1984
Applicant:
Inventor:
Helena Ljusberg-Wahren, Soderhamn, SE;
Assignees:
Bergvik Kemi AB, both of, SE;
Fluidcarbon International AB, both of, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C10L / ;
U.S. Cl.
CPC ...
44 51 ; 252311 ; 252356 ;
Abstract
A coal-water dispersion comprising coal particles dispersed in water and a dispersing agent comprising polymerized fatty acids, polymerized rosin acids and/or polymerized fatty or rosin acid derivatives which have been partially esterified with a polyalkylene glycol or monoester or monoether thereof, having a residual acid value higher than 3.