Copper-modified high purity adipic acid

Details Copper-modified high purity adipic acid Copper-modified high purity adipic acid

1992-12-17

1993-11-30

Prescott, Arthur C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

25218224, C07C 5142

Patent

active

052667251

ABSTRACT:
A purified form of adipic acid containing 0.1 to 2.0 ppm of copper in the form of an ionic copper compound that is useful in the formation of nylon polymer, nylon yarns, and polyester polyols of low color.

REFERENCES:
patent: 4705894 (1987-11-01), Su et al.
patent: 5034509 (1991-07-01), Ravaska
patent: 5104492 (1992-04-01), King et al.
patent: 5210297 (1993-05-01), Frank et al.

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