Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2011-08-16
2011-08-16
Boykin, Terressa M (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C528S176000, C528S190000, C528S198000, C544S082000
Reexamination Certificate
active
07999057
ABSTRACT:
A gas-phase, continuous process is provided for the manufacture of 2,6-diaminopyridine and related compounds from glutaronitriles, 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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Hutchenson Keith W.
Minter Aaron
Sunshine Gregg
Boykin Terressa M
E. I. Du Pont de Nemours and Company
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