Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2007-12-18
2011-12-27
Boykin, Terressa M (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C544S082000, C546S250000, C528S176000, C528S198000, C528S208000
Reexamination Certificate
active
08084569
ABSTRACT:
A liquid-phase process is provided for the synthesis from glutarimidines of diaminopyridines and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process.
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Minter Aaron
Stokes Berlin
Boykin Terressa M
E.I. DuPont de Nemours and Company
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