Research/Patents/US 5198488
US 5198488

PRECERAMIC COMPOSITIONS AND CERAMIC PRODUCTS WITH SILICON BORIDE

Assignee

ETHYL CORPORATION

Filed

Oct 24, 1988

Granted

Mar 30, 1993

Location

BATON ROUGE LA US

Abstract

Preceramic compositions which have particular utility in providing protective ceramic coatings on carbon/carbon composites, graphite, carbon fibers, and other normally oxidizable materials are prepared by dispersing about 0.1-4 parts by weight of silicon boride in one part by weight of a polysilazane in solution in an organic solvent.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jun 15, 1989

Rescinded

Jun 16, 1992

Duration

3 years

Inventor

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