Inventor
KRABETZ RICHARD
DE21 patents
Patents
21 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
US4656157AApr 7, 1987
Molded catalyst for reactions carried out under heterogeneous catalysis
BASF AG70 citations94
US4297247AOct 27, 1981
Preparation of coated catalysts
BASF AG78 citations94
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
US4305843ADec 15, 1981
Preparation of coated catalysts
BASF AG41 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
US4489170ADec 18, 1984
Oxidation catalyst, especially for the preparation of methacrylic acid by gas phase oxidation of methacrolein
BASF AG23 citations82
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
US4487962ADec 11, 1984
Preparation of methacrylic acid by gas phase oxidation of methacrolein
BASF AG6 citations74
US4638085AJan 20, 1987
Preparation of methyl methacrylate from methacrolein
BASF AG16 citations73
US4620035AOct 28, 1986
Production of acrylic acid by oxidation of acrolein
BASF AG10 citations73
US4595778AJun 17, 1986
Preparation of methacrylic acid and catalyst therefor
BASF AG16 citations73
US4409128AOct 11, 1983
Oxidation catalyst, especially for the preparation of methacrylic acid by gas phase oxidation of methacrolein
BASF AG2 citations63