Tar dissolution process

Details Tar dissolution process Tar dissolution process

1994-08-24

1996-10-08

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

208 48AA, 208 45, 585950, C10G 916

Patent

active

055628168

ABSTRACT:
A Mannich reaction product of reactants selected from alkylated phenols, a polyamine and an aldehyde is employed to dissolve tar deposits in coke oven piping and transmission lines.

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patent: 4927519 (1990-05-01), Forester et al.
patent: 5225002 (1993-07-01), Stafford et al.
patent: 5271824 (1993-12-01), Forester et al.

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