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:
Jun. 26, 2001
Filed:
Apr. 08, 1999
Applicant:
Inventors:
Puvin Pichai, Collegeville, PA (US);
Kenneth Breindel, Lansdale, PA (US);
Assignee:
Henkel Corporation, Gulph Mills, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 3/12 ;
U.S. Cl.
CPC ...
B01F 3/12 ;
Abstract
A process for preparing a defoamer composition by providing a high-shear, in-line mixer having a rotor-stator assembly with at least one concentric set of shearing teeth which rotate at a tip speed of up to about 25 meters per second and feeding to said mixer a melt of a hydrophobic defoaming agent along with a functional carrier liquid at a controlled mass flow rate and temperature. After mixing, the mixture is cooled and discharged into a receiving vessel.