Synthesis of aromatic heterocyclic polymers from a biosynthetica

Details Synthesis of aromatic heterocyclic polymers from a biosynthetica Synthesis of aromatic heterocyclic polymers from a biosynthetica

1993-03-19

1994-08-23

Nutter, Nathan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528339, 528423, 528424, C08G 6334, C08G 6926

Patent

active

053409132

ABSTRACT:
2,4-Polybenzoxazoles are synthesized from a biosynthetically prepared AB monomer. The biosynthetically produced precursor, 2,3-dihydro-3-hydroxyanthranilic acid (DHAA), is chemically transformed to the AB monomer, 3-hydroxyanthranilic acid (HAA). This AB monomer is used to prepare said polybenzoxazoles.

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patent: 5030706 (1991-07-01), Harris et al.
patent: 5091500 (1992-02-01), Lysenko et al.
patent: 5151490 (1992-09-01), Harris et al.

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