Acicified NMP compositions stabilized with respect to color form

Details Acicified NMP compositions stabilized with respect to color form Acicified NMP compositions stabilized with respect to color form

1992-03-31

1993-10-19

Skaling, Linda

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

134 38, 252153, 252162, 252170, 252171, 252542, 252546, 252DIG8, 252DIG11, C11D 732, C11D 750, C09D 900

Patent

active

052542823

ABSTRACT:
Acidified NMP is stabilized against color formation by including a chelating agent in the composition.

REFERENCES:
patent: 2723222 (1955-11-01), Stark
patent: 3963418 (1976-06-01), Tullio
patent: 4530781 (1985-07-01), Gipp
patent: 4749510 (1988-06-01), Nelson
patent: 4812255 (1989-03-01), Suwala
patent: 5015410 (1991-05-01), Sullivan
patent: 5049300 (1991-09-01), Fusiak et al.
"Sequestrene", Alrose Chemical Co. Manufacturers Literature 1952.
Pfizer Data Sheet No. 605 "Pfizer Aminocarboxylic Chelating Agents", Apr. 1963.

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