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. 23, 1987
Filed:
Jul. 18, 1985
Applicant:
Inventors:
Knut Oppenlaender, Ludwigshafen, DE;
Karl Stork, Lampertheim, DE;
Friedrich Hovemann, Hockenheim, DE;
Erich Schwartz, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44 51 ; 44 77 ; 252312 ; 252351 ; 252353 ;
Abstract
Pumpable free-flowing aqueous coal dispersions containing a special non-ionic dispersant which is a polyalkylene oxide bisphenol A derivative, and the use of the said dispersant in coal/water dispersions.