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. 16, 1998
Filed:
Oct. 30, 1996
Applicant:
Inventors:
Daniel B Leiser, San Jose, CA (US);
Domenick E Cagliostro, Berkeley, CA (US);
Ming-ta S Hsu, San Jose, CA (US);
Timothy S Chen, San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; B32B / ;
U.S. Cl.
CPC ...
106-2 ; 10628712 ; 427387 ; 418447 ; 418668 ;
Abstract
Rigid and flexible porous ceramics, including thermal insulation of a type used on space vehicles, are waterproofed by a treatment which comprises applying an aqueous solution of an organopolysiloxane waterproofing agent having reactive silanol groups to the surface of the ceramic and then heating the treated ceramic to form a waterproofed ceramic. The organopolysiloxane is formed by the hydrolysis and partial condensation of di- and trialkoxyfunctional alkylalkoxysilanes having 1-10 carbon atom hydrocarbyl groups.