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:
Aug. 14, 2007
Filed:
Dec. 23, 2002
Applicants:
Hitoshi Kobayashi, Yokkaichi, JP;
Masamichi Murota, Yokkaichi, JP;
Hirokuni Shirono, Yokkaichi, JP;
Inventors:
Assignee:
Nippon Aerosil Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/14 (2006.01); C09C 1/28 (2006.01); C09D 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fumed-silica, which can make a slurry having sufficient wettability to a polar liquid, excellent dispersibility, and low viscosity even in the high concentration, and a slurry thereof. A fumed-silica and its slurry are provided, wherein the water content is controlled so that a weight loss after drying Y, and a dynamic wetting rate to water Z, have specified values.