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:
Apr. 23, 2002
Filed:
Jul. 27, 1999
Applicant:
Inventors:
Keiji Komoto, Yokohama, JP;
Keishi Yoshikai, Yokohama, JP;
Masahiko Hirono, Yokohama, JP;
Yoshifumi Ohama, Yokohama, JP;
Assignee:
BASF NOF Coatings Co., Ltd., Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01F 3/12 ; C01B 3/3145 ;
U.S. Cl.
CPC ...
B01F 3/12 ; C01B 3/3145 ;
Abstract
A process for preparing a dispersing component of an inorganic oxide sol which involves dehydrating an aqueous inorganic oxide sol by adding an azeotropic solvent to the aqueous inorganic sol to form an azeotropic mixture, carrying out azeotropic distillation and then surface-treating the dispersing component of the inorganic oxide sol with a silane coupling agent.