Benzoquinoneimines as vinyl aromatic polymerization inhibitors

Details Benzoquinoneimines as vinyl aromatic polymerization inhibitors Benzoquinoneimines as vinyl aromatic polymerization inhibitors

1994-07-18

2000-03-21

Kumar, Shailendra

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252401, 252402, 552303, 564276, 564306, 570200, C09K 1500

Patent

active

060398957

ABSTRACT:
This invention relates to a vinyl aromatic, especially styrene, polymerization inhibitor system comprising an N-phenyl-1,4-benzoquinoneimine compound and optionally an aryl-substituted phenylenediamine.

REFERENCES:
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patent: 4915873 (1990-04-01), Abruscato et al.
Nigam et al., CA 107: 116131 a (Abstract Only).
Taimr et al. CA 108: 133138 w (Abstract Only).
PCT International Application No. PCT/US 91/07188 Search Report, 1992.

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