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:
Dec. 08, 2009
Filed:
Jun. 21, 2006
Applicants:
Yutaka Ohmori, Sodegaura, JP;
Hirokazu Kato, Sodegaura, JP;
Kenji Yamaguchi, Sodegaura, JP;
Inventors:
Assignee:
Nissan Chemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 37/03 (2006.01); B01J 37/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A production method of an alkaline zirconia sol including: a process (I) in which an alkaline zirconia sol (A) is mixed with a basic zirconium carbonate salt (B1), the alkaline zirconia sol (A) being obtained by: a sub-process (i) in which a zirconium salt (B2) is heated at 60 to 110° C. in an aqueous medium containing a carbonate salt of quaternary ammonium; and a sub-process (ii) in which a hydrothermal treatment is performed at 110 to 250° C. following the sub-process (i).