Inhibition of viscosity increase and fouling in hydrocarbon...

Details Inhibition of viscosity increase and fouling in hydrocarbon... Inhibition of viscosity increase and fouling in hydrocarbon...

2005-08-09

2005-08-09

Griffin, Walter D. (Department: 1764)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

C585S950000, C585S650000, C208S04800Q, C203S008000

Reexamination Certificate

active

06926820

ABSTRACT:
A method of inhibiting fouling and viscosity increase in hydrocarbon streams including ethylenically unsaturated monomers is disclosed. The method includes the step of adding to the hydrocarbon stream an effective amount of one or more quinone methides of the formula:wherein R1, R2, and R3are independently selected from the group consisting of H, —OH, —SH, —NH2, alkyl, cycloalkyl, heterocyclo, and aryl.

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