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:
Apr. 07, 1998
Filed:
May. 22, 1989
Applicant:
Inventors:
Amy M Blough, Wilmington, DE (US);
John N Kostas, Claymont, DE (US);
Assignee:
Hercules Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 99 ; 264 295 ; 264 297 ; 264 60 ; 25218713 ;
Abstract
Disclosed is a liquid, boron-containing, inorganic oxide resin containing unsaturated organic groups. The resin can additionally comprise the units .brket open-st.M-O.brket close-st., where M can vary from one unit to the next and is selected from Si, Ti, Al, Ba, Zr, Li and Hf. Also disclosed is a process for inhibiting the oxidation of carbon-carbon composites by impregnating the composite with such resins, cross-linking the resin and pyrolyzing to convert the resin to a ceramic material.