Inventor
SIEGERT HERMANN-JOSEF
DE7 patents
Patents
7 patentsUS4452999AJun 5, 1984
Method for making isobutyric acid
ROEHM GMBH19 citations81
US4992582AFeb 12, 1991
Method for making isobutyric acid
ROEHM GMBH14 citations70
US5380932AJan 10, 1995
Process for producing methacrylic acid and methacrolein by oxidation of isobutane with molybdenum heteropoly acid catalyst
ROEHM GMBH7 citations69
US4647696AMar 3, 1987
Method for making isobutyric acid
ROEHM GMBH2 citations62
US4504675AMar 12, 1985
Method for making isobutyric acid or esters thereof
ROEHM GMBH5 citations62
US4791227ADec 13, 1988
Method for handling reaction mixtures containing hydrogen fluoride
ROEHM GMBH5 citations58
US5218145AJun 8, 1993
Method for making isobutyric acid
ROEHM GMBH0 citations49