Inventor
LORK WINFRIED
DE18 patents
⚠️ This page may combine multiple inventors who share the name “LORK WINFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
17 patentsUS4664753AMay 12, 1987
Process for separating iodine and its compounds from the carbonylation products obtained by subjecting dimethylether, methyl acetate or methanol to a carbonylation reaction
HOECHST AG31 citations92
US4556644ADec 3, 1985
Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether
HOECHST AG32 citations92
US4280010AJul 21, 1981
Continuous production of alkyl acrylates free from ether
HOECHST AG44 citations92
US4629711ADec 16, 1986
Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether
HOECHST AG23 citations82
US4557760ADec 10, 1985
Process for recovering noble metals belonging to group VIII of the Periodic System of the elements from a contaminated catalyst solution originating from the carbonylation of methyl acetate and/or dimethylether
HOECHST AG22 citations82
US4746640AMay 24, 1988
Process for purifying and recovering catalyst solution contaminated during the carbonylation of methyl acetate and/or dimethylether
HOECHST AG10 citations74
US5002914AMar 26, 1991
Process for purifying and recovering the contaminated catalyst solution arising in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether
HOECHST AG7 citations73
US4444624AApr 24, 1984
Process for separating acetone from carbonylation mixtures
HOECHST AG18 citations73
US4442304AApr 10, 1984
Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether
HOECHST AG12 citations73
US4440570AApr 3, 1984
Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether
HOECHST AG9 citations73
US4414160ANov 8, 1983
Process for making carboxylic acid halides
HOECHST AG8 citations73
US5047377ASep 10, 1991
Process for the purification and recovery of the contaminated solution of the catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
HOECHST AG8 citations72
US4985383AJan 15, 1991
Process for removing metallic corrosion products from a contaminated catalyst solution produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
HOECHST AG5 citations62
US4543217ASep 24, 1985
Process for making carboxylic acid halides
HOECHST AG5 citations62
US3985800AOct 12, 1976
Process for the manufacture of acrylic acid
HOECHST AG2 citations62
US4252983AFeb 24, 1981
Production of acetic anhydride and acetic acid from acetaldehyde
HOECHST AG4 citations60
US4352761AOct 5, 1982
Production of acetyl chloride
HOECHST AG0 citations36