Derivatives of 1-oxyl-4-amino-2,2,6,6-tetramethylpiperidine as p

Details Derivatives of 1-oxyl-4-amino-2,2,6,6-tetramethylpiperidine as p Derivatives of 1-oxyl-4-amino-2,2,6,6-tetramethylpiperidine as p

1998-04-23

1999-07-27

Rotman, Alan L.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

546244, 546208, 540485, 526 83, C09K 300, C07D21158

Patent

active

059285583

ABSTRACT:
Selected derivatives of 1-oxyl-2,2,6,6-tetramethyl-4-aminopiperidine are surprisingly effective as inhibitors to prevent the premature polymerization of acrylic and methacrylic acids, their esters, their amides, vinyl acetate and acrylonitrile in the presence of water.

REFERENCES:
patent: 3474988 (1969-10-01), Bailey
patent: 3488388 (1970-01-01), Altiucker
patent: 5545782 (1996-08-01), Winter et al.

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