Research/Patents/US 5330854
US 5330854Tier 3 — General Defense

FILAMENT-CONTAINING COMPOSITE

Assignee

General Electric

Filed as: GENERAL ELECTRIC COMPANY, A NEW YORK CORP.

Filed

Sep 24, 1987

Granted

Jul 19, 1994

Location

SCHENECTADY NY US

Abstract

Boron nitride is coated on filaments of elemental carbon and/or silicon carbide, the coated filaments are contacted with an infiltration-promoting material containing elemental carbon to produce a preform wherein the filaments are substantially parallel and each filament is enveloped with infiltration-promoting material, and the preform is infiltrated with molten silicon to produce a composite containing boron nitride coated filaments.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Mar 9, 1988

Rescinded

Jul 13, 1993

Duration

5 years, 4 months

Inventor

  • 1RAJ N. SINGH
Back to patent indexSource: USPTO 35 USC §181 secrecy order records