Multifunctional antifoulant compositions and methods of use ther

Details Multifunctional antifoulant compositions and methods of use ther Multifunctional antifoulant compositions and methods of use ther

1986-12-18

1988-10-04

Sneed, H. M.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

208 48R, 585950, 252 347, 252 467, 2523892, 25238921, 25238924, C10G 912, C10G 916

Patent

active

047754583

ABSTRACT:
Multifunctional process antifoulant compositions and methods are disclosed. The compositions comprise (1) a polyalkenylthiophosphonic acid or ester thereof, and at least one additional antifouling component selected from the groups (2), (3) and (4) wherein (2) is an effective antioxidant compound adapted to inhibit oxygen based polymerization of said hydrocarbon or petrochemical, (3) is a corrosion inhibiting compound, and (4) is a metal deactivator. The process comprises adding from about 0.5-10,000 parts of the combination of (1) and additional antifoulant component(s) to the particular petrochemical or hydrocarbon for which multifunctional antifouling protection is desired.

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