Inventor
LI CHIN
US10 patents
⚠️ This page may combine multiple inventors who share the name “LI CHIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG INDUSTRIES INC
4 patentsUS5660684AAug 26, 1997
Deinking electrostatic waste paper
PPG INDUSTRIES INC22 citations90
US5718801AFeb 17, 1998
Method for controlling froth and reducing stickies in the flotation process for deinking waste paper using a froth moderating agent
PPG INDUSTRIES INC15 citations72
US5560806AOct 1, 1996
Process for deinking electrostatic printed paper using a combination of non-ionic surfactants
PPG INDUSTRIES INC13 citations71
US5583097ADec 10, 1996
Deinking agent of nonionic surfactants
PPG INDUSTRIES INC4 citations60
BASF CORP
2 patentsUS6013157AJan 11, 2000
Froth moderating agent for controlling froth and reducing stickies in the flotation process for deinking waste paper
BASF CORP33 citations87
US5837098ANov 17, 1998
Method for deinking electrostatic printed wastepaper using a combination of nonionic surfactants
BASF CORP6 citations71