Inventor
TETZLAFF HERIBERT
DE8 patents
⚠️ This page may combine multiple inventors who share the name “TETZLAFF HERIBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
7 patentsUS5153355AOct 6, 1992
Process for the extractive separation of l-phosphinothricin and l-glutamic acid in aqueous solution
HOECHST AG14 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
US5013444AMay 7, 1991
Process for separating off enol ethers from reaction mixtures containing alcohols
HOECHST AG3 citations62
US5755980AMay 26, 1998
Process for eliminating adsorbable organic halogen compounds from wastewater
HOECHST AG5 citations60
US5326906AJul 5, 1994
Process for the extractive removal of phospho- and sulfobetaines from acidic reaction solutions
HOECHST AG5 citations60
US4986974AJan 22, 1991
Process for the separation of halogenated hydrocarbons from hydrochloric acid
HOECHST AG2 citations60
US5068358ANov 26, 1991
Process for extracting n-methyl-2-pyrrolidone
HOECHST AG2 citations59