Inventor
GRIGGS BRUCE F
US11 patents
Patents
11 patentsUS5296099AMar 22, 1994
Environmentally improved process for bleaching lignocellulosic materials with oxygen, ozone and chlorine dioxide
UNION CAMP PATENT HOLDING48 citations95
US5211811AMay 18, 1993
Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
UNION CAMP PATENT HOLDING26 citations91
US5188708AFeb 23, 1993
Process for high consistency oxygen delignification followed by ozone relignification
UNION CAMP PATENT HOLDING22 citations91
US5164044ANov 17, 1992
Environmentally improved process for bleaching lignocellulosic materials with ozone
UNION CAMP PATENT HOLDING22 citations91
US5164043ANov 17, 1992
Environmentally improved process for bleaching lignocellulosic materials with ozone
UNION CAMP PATENT HOLDING41 citations91
US5409570AApr 25, 1995
Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
UNION CAMP PATENT HOLDING20 citations82
US5441603AAug 15, 1995
Method for chelation of pulp prior to ozone delignification
UNION CAMP PATENT HOLDING18 citations72
US5217574AJun 8, 1993
Process for oxygen delignifying high consistency pulp by removing and recycling pressate from alkaline pulp
UNION CAMP PATENT HOLDING16 citations72
US5085734AFeb 4, 1992
Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
UNION CAMP PATENT HOLDING16 citations72
US5525195AJun 11, 1996
Process for high consistency delignification using a low consistency alkali pretreatment
UNION CAMP PATENT HOLDING10 citations70
US5173153ADec 22, 1992
Process for enhanced oxygen delignification using high consistency and a split alkali addition
UNION CAMP PATENT HOLDING12 citations69