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:
Jul. 11, 1995
Filed:
Apr. 26, 1993
Applicant:
Inventors:
Yasutaka Tsuda, Tokyo, JP;
Mitsuru Komatsu, Tokyo, JP;
Assignees:
Nikko Chemical Institute Inc., Tokyo, JP;
Nicca Chemical Co., Ltd., Hukui, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
252321 ; 162173 ; 252358 ;
Abstract
An emulsion type defoaming agent composition formed by emulsifying 5 to 35 weight parts of an organic fluid, 0.5 to 5 weight parts of a silicone oil, 0.5 to 5 weight parts of a hydrophobic silica and 1 to 40 weight parts of a modified silicone oil into water in the presence of an emulsifier is useful as a defoaming agent for aqueous systems, particularly for strongly alkaline aqueous systems.