Inventor
WITKAMP HENDRIK A
NL6 patents
Patents
6 patentsUS4921954AMay 1, 1990
Process for the preparation of cephem compounds
GIST BROCADES NV6 citations70
US5359058AOct 25, 1994
Cephem derivatives
GIST BROCADES NV10 citations69
US5164494ANov 17, 1992
Cephalosporin derivatives
GIST BROCADES NV5 citations67
US5109132AApr 28, 1992
Process for the preparation of 3-exomethylene cepham derivatives
GIST BROCADES NV3 citations60
US4994454AFeb 19, 1991
Cepham derivatives
GIST BROCADES NV2 citations60
US4985554AJan 15, 1991
Process for the preparation of 3-exomethylene cepham derivatives
GIST BROCADES NV3 citations60