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:
May. 13, 1997
Filed:
Apr. 28, 1994
Applicant:
Inventors:
Robert D Yasukawa, San Jose, CA (US);
Loretta J Cordrey, Livermore, CA (US);
Assignee:
Lockheed Martin Corporation, Bethesda, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ;
U.S. Cl.
CPC ...
435177 ; 428325 ; 435180 ; 435181 ; 5253273 ;
Abstract
Low density fused fibrous ceramic composites are prepared from amorphous silica and/or alumina fibers with 2 to 12% boron nitride by weight of fibers, used as a fluxing agent to reduce the melting temperature of the fibers and allow the fibers to fuse at their intersections creating a three dimensional rigid matrix. The matrix is useful as a cell-culture substrate, as an implant material, and for chromatographic separation of blood cells.