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:
Oct. 28, 1997
Filed:
Mar. 05, 1996
Applicant:
Inventors:
Rainald Forbert, Florsheim, DE;
Andreas Zimmermann, Griesheim, DE;
Douglas M Smith, Albuquerque, NM (US);
William Ackerman, Albuquerque, NM (US);
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34342 ; 34337 ;
Abstract
A process for the subcritical drying of a lyogel to give an aerogel comprises treating the lyogel with a heat transfer liquid which has a temperature above the boiling point of the pore liquid of the lyogel under the pressure of the system and subsequently separating the dried aerogel from the heat transfer liquid.