Inventor
GRUBER WILHELM
DE9 patents
Patents
9 patentsUS4370490AJan 25, 1983
Process for producing methacrylic acid by oxidative dehydration of isobutyric acid and catalyst therefor
ROEHM GMBH29 citations92
US4055590AOct 25, 1977
Method of making carboxylic acid esters
ROEHM GMBH37 citations92
US4720575AJan 19, 1988
H8 PMo10 VO39 and its anhydride, PMo10 VO35 and preparation therewith of methacrylic acid and its lower alkyl ester
ROEHM GMBH27 citations91
US4018829AApr 19, 1977
Method for making α-hydroxy-isobutyramide from acetone cyanohydrin
ROEHM GMBH24 citations81
US4966877AOct 30, 1990
Method for making heteropolyacid catalysts and catalysts made by the method
ROEHM GMBH12 citations73
US5380932AJan 10, 1995
Process for producing methacrylic acid and methacrolein by oxidation of isobutane with molybdenum heteropoly acid catalyst
ROEHM GMBH7 citations69
US3987090AOct 19, 1976
Hydroxy esters of acrylic and methacrylic acids
ROEHM GMBH7 citations68
US4081465AMar 28, 1978
Method for the oxidative dehydrogenation of isobutyric acid
ROEHM GMBH5 citations62
US3976754AAug 24, 1976
Method for making cyanogen chloride
ROEHM GMBH0 citations45