Research/Patents/US 5736477
US 5736477

INORGANIC OXIDE RESINS FOR INTERNAL OXIDATION INHIBITION OF CARBON-CARBON COMPOSITES

Assignee

HERCULES INCORPORATED

Filed

May 22, 1989

Granted

Apr 7, 1998

Location

WILMINGTON DE US

Abstract

Disclosed is a liquid, boron-containing, inorganic oxide resin containing unsaturated organic groups. The resin can additionally comprise the units +547 M-O+548 , 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.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Nov 9, 1989

Rescinded

May 23, 1994

Duration

4 years, 6 months

Inventor

  • 1AMY M. BLOUGH
Back to patent indexSource: USPTO 35 USC §181 secrecy order records