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:
Feb. 02, 1999
Filed:
Jun. 26, 1997
Applicant:
Inventors:
James J Svarz, Naperville, IL (US);
Ryan A Gabel, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
252358 ; 252309 ; 252321 ;
Abstract
The present invention provides an antifoam emulsion with improved shelf-life and a method for making same. The improved shelf-life results from dispersing a fatty alcohol dispersion in an emulsion of another liquid. To this end, the antifoam emulsion of the present invention includes an internal phase of a fatty alcohol dispersion, an emulsifier, and an external phase including a water insoluble or partially miscible liquid.