Method for making nitrogen aromatic oligomers and polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Nitrogen-containing reactant

Reexamination Certificate

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C502S308000, C502S309000, C502S311000, C502S312000, C502S313000, C502S315000, C502S317000, C502S318000, C502S319000, C502S320000, C502S323000, C502S328000, C502S329000, C502S330000, C502S332000, C502S333000, C502S334000, C502S335000, C502S337000, C502S339000, C502S340000, C502S343000, C502S344000, C502S345000, C502S346000, C502S347000, C502S348000, C502S349000, C502S350000, C502S351000, C546S259000, C546S260000, C544S224000

Reexamination Certificate

active

07985830

ABSTRACT:
Methods for synthesizing dimeric or polymeric reaction products of nitrogen aromatics comprise contacting a composition comprising the nitrogen aromatic with a catalyst composition. The catalyst comprises a first metal substrate having a second reduced metal coated on the substrate.

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