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. 19, 2018
Filed:
Dec. 18, 2015
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Carter Kirwan, Atlanta, GA (US);
Rebecca Hamm, Marietta, GA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 19/04 (2006.01); D21C 3/28 (2006.01); D21H 21/12 (2006.01); D21H 17/13 (2006.01);
U.S. Cl.
CPC ...
B01D 19/0409 (2013.01); D21C 3/28 (2013.01); D21H 17/13 (2013.01); D21H 21/12 (2013.01);
Abstract
Disclosed herein are methods of defoaming industrial process streams, the methods comprising adding to the industrial process stream an emulsion stabilized by Janus particles, wherein the Janus particles comprise at least one hydrophobic surface and at least one hydrophilic surface, and wherein the emulsion comprises silicone emulsion droplets in a continuous aqueous phase. Also disclosed herein are defoamer compositions comprising Janus particles and methods of making such compositions.