Inventor
FELCHT UTZ-HELLMUTH
DE11 patents
Patents
11 patentsUS4638058AJan 20, 1987
Ethers of beta-cyclodextrin and a process for their preparation
HOECHST AG89 citations94
US4582900AApr 15, 1986
Water-soluble mixed ethers of β-cyclodextrin and a process for their preparation
HOECHST AG40 citations91
US4650863AMar 17, 1987
Preparation of water-soluble mixed cellulose ethers
HOECHST AG50 citations90
US4550161AOct 29, 1985
Preparing water-soluble mixed cellulose ethers
HOECHST AG22 citations80
US4460766AJul 17, 1984
Dispersing auxiliary for preparing cellulose ethers
HOECHST AG21 citations80
US4474950AOct 2, 1984
Cellulose ethers having improved dispersing properties
HOECHST AG14 citations72
US4501887AFeb 26, 1985
Preparing cellulose ethers in a dimethoxyethane/(dispersing auxiliary) medium
HOECHST AG11 citations68
US4247488AJan 27, 1981
Process for the preparation of 1-oxophosphol-Δ3 -enes
HOECHST AG3 citations61
US4348337ASep 7, 1982
Process for the manufacture of 1-halogen-1-oxo-Δ3 -phospholenes
HOECHST AG1 citations51
US4329303AMay 11, 1982
Process for the preparation of 1-oxo-phospholane-chloro-hydrins
HOECHST AG0 citations51
US4263231AApr 21, 1981
Process for the manufacture of 3-acyl-2-alkyl- and 3-acyl-2-aryl-1,3,2-benzoxazaphospholanes
HOECHST AG1 citations51