Inventor
SCHWARTZ ERICH
DE8 patents
⚠️ This page may combine multiple inventors who share the name “SCHWARTZ ERICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
7 patentsUS5071445ADec 10, 1991
Novel reaction products of aminoalkylene polycarboxylic acids with secondary amines and middle distillate compositions containing the aforesaid
BASF AG24 citations89
US4537701AAug 27, 1985
Demulsifiers for breaking crude-oil emulsions and their use
BASF AG38 citations89
US4405494ASep 20, 1983
Polyhydroxy-polyalkylene-polyamine salts of maleic amide acids as corrosion inhibitors in water-in-oil emulsions
BASF AG5 citations62
US4657560AApr 14, 1987
Aqueous coal dispersions
BASF AG2 citations61
US4435298AMar 6, 1984
Ammonium salts of polymaleic acids, and their use as corrosion inhibitors in mineral oils
BASF AG2 citations61
US4417038ANov 22, 1983
Ethylene-alkyne copolymers, their preparation and their use as additives to petroleum distillates
BASF AG4 citations60
US4675025AJun 23, 1987
Aqueous coal dispersions
BASF AG1 citations51