Inventor

WICKENHAEUSER GERHARD

DE4 patents

Patents

4 patents

US4902828AFeb 20, 1990

Recovery of aqueous glyoxylic acid solutions

BASF AG46 citations91

US4451654AMay 29, 1984

Conditioning of finely divided crude organic pigments

BASF AG12 citations71

US4368582AJan 18, 1983

Process for drying finely divided pigments

BASF AG18 citations71

US4521632AJun 4, 1985

Purification of aqueous glyoxal solutions

BASF AG4 citations61