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. 13, 1998
Filed:
Aug. 05, 1996
Applicant:
Inventors:
Bernhard Lehmann, Aachen, DE;
Ulrich Litzinger, Hachenburg, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210708 ; 210725 ; 210728 ; 210735 ; 210736 ; 252344 ; 252358 ;
Abstract
Oil emulsions are broken in a particularly advantageous manner by adding to them a breaker which comprises poly-DADMAC and polyalkylenepolyamines.