Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-04-19
1977-07-26
Wyman, Daniel E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
526285, C07C 8750
Patent
active
040383202
ABSTRACT:
As new compositions of matter, 2,2'-bis(phenylethynyl)-4,4'-diaminobiphenyl and 2,2'-bis(phenylethynyl)-5,5'-diaminobiphenyl. The compounds are useful as monomers suitable for the preparation of thermally stable polymer systems such as polyimides, polyamides and poly-Schiff bases.
REFERENCES:
patent: 3928450 (1975-12-01), Bilow et al.
patent: 3975444 (1976-08-01), Kovar et al.
White et al., Chem. Ab. No. 116740d, vol. 67 (1967).
Mueller et al., Chem. Ab. No. 18892b, vol. 69 (1968).
Arnold Fred E.
Hedberg Frederick L.
Doll J.
Kuhn Cedric H.
Rusz Joseph E.
The United States of America as represented by the Secretary of
Wyman Daniel E.
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