Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1978-01-19
1979-04-24
Berch, Mark L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D40112, C07D40110
Patent
active
041513584
ABSTRACT:
As new compositions of matter, ethynyl-substituted aromatic `peri` anhydrides. The compounds are useful as endcapping agents for thermally stable heterocyclic imide compositions.
REFERENCES:
patent: 3402166 (1968-09-01), Heckl
Arnold Fred E.
Hedberg Frederick L.
Berch Mark L.
Kuhn Cedric H.
Rusz Joseph E.
The United States of America as represented by the Secretary of
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