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. 02, 1986
Filed:
Jun. 21, 1985
Applicant:
Inventors:
Koichi Usui, Hoya, JP;
Teiji Sato, Shibata, JP;
Masanori Tanaka, Shibata, JP;
Yasuo Mizoguchi, Osaka, JP;
Noriyuki Takahashi, Nakajo, JP;
Assignee:
Mizusawa Industrial Chemicals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423326 ; 423327 ;
Abstract
An oxide or hydroxide mixture or coprecipitate having a three-component oxide composition comprising 5 to 45 mole % of SiO.sub.2, 35 to 65 mole % of ZnO and 0 to 60 mole % of Al.sub.2 O.sub.3 is heated in the presence of water to form a crystal of the fraipontite type. The obtained synthetic mineral has a fraipontite type crystal structure and has a high whiteness and a large specific surface area. For example, this synthetic mineral is valuable as a color developer for a leuco dye.