Distillation: processes – separatory – Addition of material to distilland to inhibit or prevent... – For inhibiting or preventing a polymerization reaction
Patent
1975-12-15
1977-07-05
Bascomb, Jr., Wilbur L.
Distillation: processes, separatory
Addition of material to distilland to inhibit or prevent...
For inhibiting or preventing a polymerization reaction
203 29, 203 34, 203 35, 203 37, 203 43, 203 65, 203 69, B01D 332, C07C 1510
Patent
active
040338290
ABSTRACT:
Styrene is inhibited against polymerization during the distillation thereof by incorporating therein, in an amount sufficient to inhibit polymerization thereof, the dinitrophenol solution recovered from styrene still residues or tars resulting from the distillation of styrene in the presence of dinitrophenol. The recovered dinitrophenol solution is a more effective polymerization inhibitor than dinitrophenol per se.
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patent: 3904484 (1975-09-01), King
Higgins, Jr. Thomas D.
Newsom Raymond A.
Bascomb, Jr. Wilbur L.
Monsanto Company
Sporar Elizabeth F.
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