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:
May. 25, 1976
Filed:
Sep. 09, 1974
Applicant:
Inventors:
Frederick R Mahn, Verona, NJ (US);
Emil A Ippolito, Chatham, NJ (US);
Assignee:
Drew Chemical Corporation, Parsippany, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ; B01F / ; B01F / ; B01D / ;
U.S. Cl.
CPC ...
252352 ; 252356 ; 252357 ; 252358 ; 2608 / ;
Abstract
A solid non-foaming dispersing composition of (1) hydrophobic silica; (2) block copolymer of polyoxyethylene and polyoxypropylene wherein the chain is terminated, at both ends, by polyoxypropylene; and (3) an organic spreading liquid. A surfactant may also be employed. A tablet form of the composition is described.