Process for the preparation of polyanhydrides

Details Process for the preparation of polyanhydrides Process for the preparation of polyanhydrides

1997-04-04

1999-05-18

Mosley, Terressa

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528193, 528271, 528272, C08G63/00

Patent

active

059051345

ABSTRACT:
Polymers can be prepared in solution by continuously distilling solvent from a solution of diacid prepolymers.

REFERENCES:
patent: 2958678 (1960-11-01), Conix
patent: 4757128 (1988-07-01), Domb et al.
patent: 4789724 (1988-12-01), Domb et al.
patent: 4886870 (1989-12-01), D'Amore et al.
patent: 4906474 (1990-03-01), Langer et al.
patent: 4916204 (1990-04-01), Domb et al.
Domb, A. J., et al., "Absorbable Biopolymers Derived from Dimer Fatty Acids", Journal of Polymer Science: Part A: Polymer Chemistry, 31:1275-1285 (1993).
Domb, A. J., et al., "Polyanhydrides. I. Preparation of High Molecular Weight Polyanhydrides", Journal of Polymer Science: Part A: Polymer Chemistry, 25:3373-3386 (1987).
Yoda, N., et al., "Synthesis of Polyanhydride. I*. Mixed Anhydride of Aromatic and Aliphatic Dibasic Acids", Central Research Laboratories, 32(10):1120-1126 (1959).

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