Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1982-05-28
1983-06-28
Nielsen, Earl A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524876, 524879, 527500, 525419, 528365, 528366, C08G 6342, C08G 6376, C08G 6366
Patent
active
043906613
ABSTRACT:
A novel composition of matter capable of being cured to a solid resinous material obtained as a result of the reaction of (1) a coal derivative comprising a mixture of monocyclic, polycyclic, multifunctional carboxylic acids, resulting from the interaction of coal with nitric acid with (2) an oxirane, and a process for producing a solid resinous material therefrom by heating the same under pressure.
REFERENCES:
patent: 2965587 (1960-12-01), Rickert
patent: 3201360 (1965-08-01), Proops et al.
patent: 3793247 (1974-02-01), Fleming et al.
Margosian Daniel
Schulz Johann G.
Carducci Joseph J.
Gulf Research & Development Company
Keith Deane E.
Nielsen Earl A.
Stine Forrest D.
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