Inventor
LANSINK-ROTGERINK HANS
DE4 patents
Patents
4 patentsUS5776240AJul 7, 1998
Granules based on pyrogenically prepared silicon dioxide, methods for their preparation and use thereof
DEGUSSA132 citations97
US5773677AJun 30, 1998
Process for the hydrogenolysis of C--O and C═O bonds in organic substances
DEGUSSA33 citations89
US5789628AAug 4, 1998
Production of 2,2'-bis (4-hydroxyphenyl) propanes in the presence of organopolysiloxanes containing sulphonate and mercapto groups
DEGUSSA20 citations82
US5919566AJul 6, 1999
Inorganic support materials containing sulphonate and mercapto groups, process for the production thereof and use as catalyst
DEGUSSA10 citations72