Inventor
STAISS FRIEDRICH
DE6 patents
Patents
6 patentsUS5385674AJan 31, 1995
Process for separation of petroleum emulsions of the water-in-oil type
HOECHST AG9 citations73
US5114616AMay 19, 1992
Esterified glycidyl ether addition products and their use
HOECHST AG9 citations73
US5039450AAug 13, 1991
Process for the separation of crude oil emulsions of the water-in-oil type
HOECHST AG12 citations72
US4885110ADec 5, 1989
Branched polyoxyalkylene copolyesters, a process for their preparation, and their use
HOECHST AG16 citations72
US4734523AMar 29, 1988
Oxalkylated polyester-amines, a process for their preparation and their use
HOECHST AG12 citations72
US4885111ADec 5, 1989
Branched, quaternary polyoxyalkylene copolyesters, a process for their preparation, and their use
HOECHST AG18 citations70