Inventor
PRINZ PETER
DE16 patents
⚠️ This page may combine multiple inventors who share the name “PRINZ PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
14 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
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
US5124290AJun 23, 1992
Process for removing metallic corrosion products from carbonylation reactions carried out under anhydrous conditions
HOECHST AG19 citations73
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
US5620567AApr 15, 1997
Process for the removal of aldehydes and acetals from industrially prepared acetic acid
HOECHST AG14 citations71
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