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:
Jun. 29, 2004
Filed:
May. 27, 1999
Bakul C. Dave, Carbondale, IL (US);
Mukti S. Rao, Evanston, IL (US);
Southern Illinois University, Carbondale, IL (US);
Abstract
A porous glass composite material is prepared comprising a gel containing water and a polymeric network containing at least one alkoxosilane derivative having a group of alterable charge, a hydrophobic group and a hydrophilic group. The alkoxosilane derivative is preferably a derivative of an alkoxosilane having the general formula (OR ) Si-spacer-Si(OR ) , wherein R and R are the same or different and may be hydrogen; substituted and unsubstituted, branched and unbranched C -alkyls; substituted and unsubstituted, branched and unbranched C -alkenyls; substituted and unsubstituted, branched and unbranched C -alkynyls; substituted, unsubstituted, and multiple ring aryl groups; or combinations thereof; and water. Devices including the glass composite include chromatographic and other separation media, drug delivery vehicles, and electric and mechanical actuators.