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:
Jul. 14, 1998
Filed:
Nov. 20, 1991
Applicant:
Inventors:
Fujio Mizukami, Ibaragi-ken, JP;
Kazuyuki Maeda, Ibaragi-ken, JP;
Shuichi Niwa, Ibaragi-ken, JP;
Junichi Mine, Kanagawa-ken, JP;
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; C01F / ; B01J / ;
U.S. Cl.
CPC ...
427226 ; 423628 ; 423630 ; 427380 ; 502171 ; 502355 ;
Abstract
A process includes a step of melting aluminium alkoxide in hexylene glycol (2-methyl 2,4-pentonediol). Then, the solution is subject hydrolysis. During this, hydrolysis and dehydrating condensation of hexylene glycol is controlled by alkoxide. This is found effective for obtaining alumina having uniform porous structure with high specific surface area.