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. 24, 2004
Filed:
Sep. 05, 2001
Applicant:
Inventors:
Hiroshi Sawada, Tokyo, JP;
Hiroshi Igarashi, Tokyo, JP;
Akira Tatebe, Tokyo, JP;
Kazunori Sakao, Tokyo, JP;
Assignee:
Mizusawa Industrial Chemicals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/38 ; C01B 3/510 ;
U.S. Cl.
CPC ...
C08K 3/38 ; C01B 3/510 ;
Abstract
A zinc borate having a particular crystallite size and containing very little sodium components and a method of preparing the same. The zinc borate has a particular chemical composition, has a crystallite size of not smaller than 40 nm as found from diffraction peaks of indexes of planes of (020), (101) and (200) in the X-ray diffraction image (Cu-k&agr;) and contains sodium components in amounts of not larger than 100 ppm as measured by the atomic absorptiometric method.