Inventor
SLOTMAN WILHELMUS
DE7 patents
Patents
7 patentsUS5759409AJun 2, 1998
Separation of water from crude oil and oil demulsifiers used for this purpose
BASF AG61 citations93
US5661220AAug 26, 1997
Reaction products of olefinically unsaturated carboxylic acids and polyetherols and their use as demulsifiers for crude oil emulsions
BASF AG53 citations92
US5846453ADec 8, 1998
Process for producing oligoamines or polyamines
BASF AG22 citations91
US5783524AJul 21, 1998
Use of glycine-N,N-diacetic acid derivatives as complexing agents for alkaline earth metal and heavy metal ions in the production and transport of petroleum and natural gas
BASF AG45 citations91
US4537701AAug 27, 1985
Demulsifiers for breaking crude-oil emulsions and their use
BASF AG38 citations89
US5250225AOct 5, 1993
Ammonium salt of an alkenylsuccinic half-amide and the use thereof as corrosion inhibitor in oil and/or gas production technology
BASF AG7 citations72
US4405494ASep 20, 1983
Polyhydroxy-polyalkylene-polyamine salts of maleic amide acids as corrosion inhibitors in water-in-oil emulsions
BASF AG5 citations62