Abstract:
Surface active contaminants adsorbed on the interior surface of a pipeline can be desorbed therefrom and effectively removed by introducing into the line an effective quantity of wet aliphatic alcohol (C2-C4 alcohol) containing a small amount of either a dimer acid of a C16-C20 ethenoid fatty acid or a C4-C20 alkyl amine salt of a partially esterified phosphoric acid.
Abstract:
HYDROCARBON SUBSTITUTED ALKYLENE POLYAMINES WHICH ARE PARTIALLY NEUTRALIZED WITH MONO- OR DIALKYL PHOSPHATES ARE TAUGHT FOR USE IN FUELS AS DETERGENT, ANTICORROSIVE AND DEICING AGENTS. THE HYDROCARBON SUBSTITUENTS ARE FREE OF AROMATIC UNSATURATION AND ARE FROM ABOUR 30 TO 300 CARBON ATOMS. THE ALKYLENE POLYAMINES HAVE FROM 2 TO 6 NITROGEN ATOMS.
Abstract:
MINERAL ACID SALTS OF HYDROCARBYL SUBSTITUTED POLYAMINES, WHICH ARE SUBSTANTIALLY FREE OF AROMATIC UNSATURATION AND OF FROM ABOUT 460 TO 10,000 MOLECULAR WEIGHT, FIND USE AS DETERGENTS IN FUELS, PARTICULARLY IN COMBINATION WITH A SMALL AMOUNT OF OIL.