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:
Nov. 13, 2001
Filed:
Apr. 09, 1997
Applicant:
Inventors:
Stephen Wallace, Albuquerque, NM (US);
Douglas M. Smith, Albuquerque, NM (US);
William C. Ackerman, Champaign, IL (US);
Assignee:
Cabot Corporation, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/3158 ;
U.S. Cl.
CPC ...
C01B 3/3158 ;
Abstract
Disclosed are processes for producing gel composition which may be utilized to produce low density gel compositions without the need for supercritical drying, thermal treatment or surface treatment. The processes comprise drying a wet gel comprising gel solids and a drying agent to remove the drying agent while minimizing shrinkage of the gel during drying.