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. 10, 1993
Filed:
Feb. 11, 1991
Applicant:
Inventors:
Rolf Fikentscher, Ludwigshafen, DE;
Knut Oppenlaender, Ludwigshafen, DE;
Johannes P Dix, Weisenheim, DE;
Wilfried Sager, Mutterstadt, DE;
Hans-Henning Vogel, Frankenthal, DE;
Guenther Elfers, Birkenau, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
252341 ; 252344 ; 252358 ; 210708 ; 208188 ;
Abstract
The present invention relates to methods of demulsifying employing condensates as demulsifiers for oil-in-water emulsions and prepared from