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:
Jan. 02, 2001
Filed:
Jun. 10, 1998
Applicant:
Inventor:
Kenneth George Sharp, Landenberg, PA (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/702 ; C01B 3/316 ;
U.S. Cl.
CPC ...
C08G 7/702 ; C01B 3/316 ;
Abstract
This invention relates to a rapid process for the preparation of a silica gel or a silicate polymer comprising contacting at least one fluoroalkoxysilane with a solution comprising water, optionally in the presence of a solvent and/or a catalyst. Low density gels can be prepared using this process and can possess large pore size, greater than 50 nm.