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. 23, 1990
Filed:
Dec. 20, 1988
Applicant:
Inventors:
Klaus Herrmann, Monheim, DE;
Leonhard Wittich, Langenfeld, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604106 ; 2604107 ; 252321 ; 252358 ;
Abstract
Fatty acid esters of polyglycerol polyglycol ethers obtained by reaction of polyglycerols in known manner with ethylene oxide and propylene oxide and esterification of the alkylene oxide adduct obtained with fatty acids, containing from 2 to 15 moles ethylene oxide, from 10 to 60 moles propylene oxide and from 1 to 3 moles fatty acid being used per mole of hydroxyl groups in the polyglycerol, are effective as foam inhibitors.