Research/Patents/US 4944904
US 4944904Tier 3 — General Defense

METHOD OF OBTAINING A FIBER-CONTAINING COMPOSITE

Assignee

General Electric

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

Filed

Jul 8, 1988

Granted

Jul 31, 1990

Location

SCHENECTADY NY US

Abstract

Fibrous material is coated with boron nitride and a silicon-wettable material, the coated fibrous material is admixed with an infiltration-promoting material which is at least partly elemental carbon and the mixture is formed into a preform which is infiltrated with a molten solution of boron and silicon producing a composite containing boron nitride coated fibrous material.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jan 27, 1989

Rescinded

Sep 7, 1989

Duration

7 months

Inventor

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