Inventor
DUEMBGEN GERD
DE18 patents
Patents
18 patentsUS5173468ADec 22, 1992
Compositions of the formula MO12 Pa Vb X1c X2d X3e Sbf Reg Sh On
BASF AG57 citations96
US4496770AJan 29, 1985
Process for the preparation of α-alkylacroleins
BASF AG111 citations95
US4259211AMar 31, 1981
Catalyst for the oxidation of acrolein and methacrolein to acrylic acid and methacrylic acid, respectively
BASF AG89 citations95
US3932500AJan 13, 1976
Recovering anhydrous acrylic acid
BASF AG73 citations94
US5221767AJun 22, 1993
Compositions of the formula Mo12 Pa Vb X1 c X2 d X3 e Sbf Reg Sh On
BASF AG43 citations92
US4925823AMay 15, 1990
Process and catalyst for the preparation of methacrylic acid
BASF AG32 citations92
US4520125AMay 28, 1985
Catalyst for the preparation of methyl methacrylate
BASF AG35 citations92
US4031135AJun 21, 1977
Manufacture of acrylic acid by oxidation of propylene with oxygen-containing gases in two separate catalyst stages
BASF AG44 citations92
US4623668ANov 18, 1986
Preparation of methanol
BASF AG36 citations91
US5087744AFeb 11, 1992
Preparation of methacrylic acid
BASF AG39 citations90
US4298763ANov 3, 1981
Preparation of α,β-olefinically unsaturated aldehydes of 3 or 4 carbon atoms
BASF AG39 citations90
US4110370AAug 29, 1978
Method of separating high-boiling or non-volatile materials
BASF AG26 citations81
US4052450AOct 4, 1977
Catalytic oxidation of α-olefins
BASF AG25 citations81
US4638085AJan 20, 1987
Preparation of methyl methacrylate from methacrolein
BASF AG16 citations73
US4595778AJun 17, 1986
Preparation of methacrylic acid and catalyst therefor
BASF AG16 citations73
US4568427AFeb 4, 1986
Continuous isolation of phthalic anhydride and maleic anhydride from reaction gases
BASF AG15 citations72
US4301126ANov 17, 1981
Process for destroying phosgene
BASF AG10 citations72
US4192807AMar 11, 1980
Manufacture of γ-butyrolactone from maleic anhydride
BASF AG4 citations61