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:
Mar. 23, 1993
Filed:
Aug. 16, 1990
Applicant:
Inventors:
Larry L Hench, Gainesville, FL (US);
Shi-Ho Wang, Gainesville, FL (US);
Assignee:
University of Florida Research Foundation, Inc., Gainesville, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
501 12 ; 25231501 ; 2523156 ; 252582 ; 501 72 ;
Abstract
A process for producing sol-gel monoliths containing SiO.sub.2 by mixing water, a SiO.sub.2 precursor and ketomalonic acid to form a sol, gelling the sol, aging the gelled sol and drying the aged gelled sol. Optional additional ingredients that may be added in the mixing step include salts of non-precipitating transition metals such as copper and/or additional precursors such as precursors for B.sub.2 O.sub.3, Na.sub.2 O, Li.sub.2 O, TiO.sub.2, Al.sub.2 O.sub.3 or mixtures thereof.