Polymerization inhibitor for vinyl aromatic compounds

Details Polymerization inhibitor for vinyl aromatic compounds Polymerization inhibitor for vinyl aromatic compounds

1977-11-23

1979-01-02

Bernstein, Hiram H.

Distillation: processes, separatory

Addition of material to distilland to inhibit or prevent...

For inhibiting or preventing a polymerization reaction

203 61, 203 62, 2606665, 260669A, B01D 334

Patent

active

041326016

ABSTRACT:
Disclosed is a process for the distillation of readily polymerizable vinyl aromatic compounds which comprises subjecting such compounds to distillation conditions in the presence of an effective amount of a polymerization inhibitor selected from the group consisting of 3-nitro-2, 5-cresotic acid and 3-nitro-2, 5-cresotaldehyde.

REFERENCES:
patent: 3366702 (1968-01-01), Moriarty
patent: 3988212 (1976-10-01), Watson
patent: 4086147 (1978-04-01), Watson

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