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. 31, 1995
Filed:
May. 27, 1993
Applicant:
Inventors:
Rainer Kupfer, Hattersheim, DE;
Martin Hille, Liederbach, DE;
Roland Bohm, Kelkheim, DE;
Friedrich Staiss, Wiesbaden, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210708 ; 210735 ; 252341 ; 252344 ; 252358 ;
Abstract
In the process described, esterification products of an oxyalkylated primary fatty amine and 0.5 to 1.5 mol per mole of fatty amine of a simple dicarboxylic acid or of a dicarboxylic acid from the group comprising dimeric fatty acids are employed as emulsion breakers.