Inventor
ERCKEL RUEDIGER
13 patents
Patents
13 patentsUS4323675AApr 6, 1982
Novel stilbene compounds: process for their manufacture and their use as optical brighteners
HOECHST AG8 citations73
US4766207AAug 23, 1988
Process for the preparation of water-soluble polysaccharides, the saccharides thus obtainable, and their use
HOECHST AG17 citations72
US4578469AMar 25, 1986
Benzo[de]pyrano[3,2-g]isoquinoline derivatives useful as dyestuffs
HOECHST AG9 citations71
US4556432ADec 3, 1985
Process for hydrolyzing cellulose-containing material with gaseous hydrogen fluoride
HOECHST AG18 citations71
US4336155AJun 22, 1982
Mixtures of optical brighteners
HOECHST AG14 citations71
US4330427AMay 18, 1982
Mixtures of optical brighteners
HOECHST AG19 citations71
US4282355AAug 4, 1981
Process for the manufacture of bis-benzoxazolyl-stilbene compounds
HOECHST AG14 citations69
US4363744ADec 14, 1982
Mixtures of optical brighteners and their use for the optical brightening
HOECHST AG6 citations61
US4589924AMay 20, 1986
Process for hydrolyzing cellulose-containing material with gaseous hydrogen fluoride
HOECHST AG4 citations60
US4332943AJun 1, 1982
Process for the preparation of pyridine
HOECHST AG2 citations60
US4310665AJan 12, 1982
Novel stilbene compounds and process for the manufacture thereof
HOECHST AG1 citations51
US4231741ANov 4, 1980
Mixtures of optical brighteners
HOECHST AG1 citations51
US4556431ADec 3, 1985
Process for hydrolyzing cellulose-containing material with gaseous hydrogen fluoride
HOECHST AG0 citations39