|
US3004924A
|
|
Deemulsification of oil-in-water emulsions
|
|
US2971965A
|
|
Oil adducts
|
|
US2965658A
|
|
Polyoxypropylene derivatives of hydroxy acid compounds
|
|
US2950299A
|
|
Surface active substances of ether ester class
|
|
US2950310A
|
|
Surface active substances
|
|
US2950313A
|
|
Surface active polyoxypropylene esters
|
|
US2950272A
|
|
Polyoxyalkylene esters of tall oil rosin acids
|
|
US2987490A
|
|
Surface-active esters of polymerized polyethenoid fatty acids
|
|
US2941943A
|
|
Method of inhibiting corrosion
|
|
US2911434A
|
|
Surface active dicarboxylic acid esters of polyalkylene oxides
|
|
US2943061A
|
|
Demulsifying compositions and process
|
|
US2875157A
|
|
Resolving water-in-oil emulsions
|
|
US2900350A
|
|
Breaking water-in-oil emulsions
|
|
US2884459A
|
|
Diamine derivatives containing hydroxyalkyl groups
|
|
US2935474A
|
|
Process of inhibiting corrosion and corrosion inhibiting compositions
|
|
US2946747A
|
|
Composition for conditioning surfaces containing contaminating water and method of using the same
|
|
US2971923A
|
|
Processes for breaking petroleum emulsions, especially in desalting operations
|
|
US2839558A
|
|
Oxyalkylene compounds
|
|
US2775302A
|
|
Process and device for inhibiting corrosion in wells
|
|
US2925429A
|
|
Chemical compositions
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