Inventor
PASTOREK EMMERICH
8 patents
Patents
8 patentsUS5169990ADec 8, 1992
Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene
RUETGERSWERKE AG6 citations61
US5149886ASep 22, 1992
Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene
RUETGERSWERKE AG6 citations61
US5066806ANov 19, 1991
Novel separation process
RUETGERSWERKE AG2 citations61
US4582910AApr 15, 1986
Method for preparation of 4-halogenonaphthalic acid anhydrides
RUETGERSWERKE AG3 citations61
US4549024AOct 22, 1985
Oxidation of quinoline to quinolinic acid
RUETGERSWERKE AG3 citations61
US4510090AApr 9, 1985
Method for the production of phenanthrenequinone
RUETGERSWERKE AG3 citations55
US4564700AJan 14, 1986
Process for the preparation of fluorene-9-carboxylic acid
RUETGERSWERKE AG0 citations51
US4228083AOct 14, 1980
Process for the production of β-(5-nitro-2-furyl)-acrolein
RUETGERSWERKE AG1 citations51