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:
Sep. 08, 1987
Filed:
Nov. 13, 1985
Applicant:
Inventors:
Jurgen Fock, Dusseldorf, DE;
Eberhard Esselborn, Essen, DE;
Hans-Ferdi Fink, Essen, DE;
Wernfried Heilen, Rheinberg, DE;
Assignee:
TH. Goldschmidt AG, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; B01D / ;
U.S. Cl.
CPC ...
252321 ; 252358 ;
Abstract
Method of using polymers of alkylvinyl ethers whose alkyl radical has 2 to 18 carbon atoms with a weight average molecular weight M.sub.w of 400 to 10,000 in amounts of 1 to 200 ppm for preventing or eliminating foam on aqueous media.