Inventor
BOEHM ROLAND
DE13 patents
⚠️ This page may combine multiple inventors who share the name “BOEHM ROLAND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
11 patentsUS5421993AJun 6, 1995
Process of inhibiting corrosion, demulsifying and/or depressing the pour point of crude oil
HOECHST AG41 citations92
US4730079AMar 8, 1988
Quaternary oxalkylated polycondensates
HOECHST AG27 citations91
US5385674AJan 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
US4416796ANov 22, 1983
Emulsion-breaking composition
HOECHST AG16 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
US4465817AAug 14, 1984
Modified etherified phenol/aldehyde condensation products and their use for breaking petroleum emulsions
HOECHST AG10 citations72
US4885111ADec 5, 1989
Branched, quaternary polyoxyalkylene copolyesters, a process for their preparation, and their use
HOECHST AG18 citations70
US4556499ADec 3, 1985
Process for improving the flow properties of mineral oils
HOECHST AG9 citations70