Research/Patents/US 5686520
US 5686520

SUBSTITUTED 1,4-DIPHENYLBUTADIYNES AND OLIGOMERS THEREOF AS POLYMER FLUIDIZERS AND RESINS

Assignee

AEROJET-GENERAL CORPORATION

Filed

Dec 5, 1989

Granted

Nov 11, 1997

Location

PLACERVILLE CA US

Abstract

Compounds having the formula ##STR1## in which R is a member selected from the group consisting of H, CH2 ═CH--, and CH.tbd.C--, R' is a member selected from the group consisting of --CH═CH2 and --C.tbd.CH, and n is zero, 1, 2, 3 or 4, are useful as fluidizers for polyphenylene prepolymers, rendering the latter sufficiently fluid for processing to form high-performance carbonaceous materials. These compounds are also useful themselves as monomers and prepolymers for the formation of the high-performance carbonaceous materials.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jun 12, 1991

Rescinded

Nov 5, 1993

Duration

2 years, 4 months

Inventor

  • 1ROBERT E. OLSEN
Back to patent indexSource: USPTO 35 USC §181 secrecy order records