Mineral oils: processes and products – Chemical conversion of hydrocarbons – With prevention or removal of deleterious carbon...
Reexamination Certificate
2005-06-07
2005-06-07
Griffin, Walter D. (Department: 1764)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
With prevention or removal of deleterious carbon...
C585S950000, C203S008000, C252S401000, C252S405000, C252S407000
Reexamination Certificate
active
06902663
ABSTRACT:
Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine oxime compounds.Also disclosed is a composition of matter comprising:A) an ethylenically unsaturated monomer andB) an effective inhibiting amount, sufficient to prevent premature polymerization during distillation or purification of said ethylenically unsaturated monomer, of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine oxime compounds used together with an effective amount of oxygen or air to enhance the inhibiting activity of said inhibitor.
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Misc. Abstracts.
Abruscato Gerald J.
Benage Brigitte
Eisenstein Andrew J.
Dilworth Michael P.
Griffin Walter D.
Uniroyal Chemical Company, Inc.
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