Inventor

MATZKE WOLFGANG

DE2 patents

Patents

2 patents

US5417806AMay 23, 1995

Method of removing fine contaminants from used paper fibre material

ESCHER WYSS GMBH26 citations83

US4909900AMar 20, 1990

Method for high temperature, high consistency quick bleaching of raw paper pulp

ESCHER WYSS GMBH21 citations78