Inventor
LU CHIN H
41 patents
Patents
41 patentsUS4338390AJul 6, 1982
Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser
XEROX CORP730 citations99
US4298672ANov 3, 1981
Toners containing alkyl pyridinium compounds and their hydrates
XEROX CORP471 citations99
US4480021AOct 30, 1984
Toner compositions containing negative charge enhancing additives
XEROX CORP55 citations95
US4264697AApr 28, 1981
Imaging system
XEROX CORP58 citations93
US4299903ANov 10, 1981
Emulsion polymerization process for dry positive toner compositions employs charge control agent as wetting agent
XEROX CORP32 citations92
US4291111ASep 22, 1981
Nitrogen-containing additives for magnetic toners having hydrophobic and hydrophilic moiety
XEROX CORP43 citations92
US4291112ASep 22, 1981
Modification of pigment charge characteristics
XEROX CORP32 citations92
US4221856ASep 9, 1980
Electrographic toner containing resin-compatible quaternary ammonium compound
XEROX CORP49 citations92
US4411974AOct 25, 1983
Ortho-halo phenyl carboxylic acid charge enhancing additives
XEROX CORP39 citations90
US4312933AJan 26, 1982
Method of imaging using nitrogen-containing additives for magnetic toners
XEROX CORP20 citations82
US4218530AAug 19, 1980
Single component magnetic toner
XEROX CORP22 citations82
US4442189AApr 10, 1984
Toner compositions containing polyanhydride resins
XEROX CORP21 citations81
US3985663AOct 12, 1976
Conductive inks containing quaternary ammonium compounds
XEROX CORP31 citations81
US4647522AMar 3, 1987
Toner compositions containing certain cleaning additives
XEROX CORP11 citations74
US4397934AAug 9, 1983
Developer compositions containing quaternized vinylpyridine polymers, and copolymers
XEROX CORP7 citations74
US4391890AJul 5, 1983
Developer compositions containing alkyl pyridinium toluene sulfonates
XEROX CORP11 citations74
US4192902AMar 11, 1980
In situ coating then spray drying of magnetic toner
XEROX CORP9 citations74
US4176078ANov 27, 1979
Field dependent toner having chrome complex coated magnetic particles
XEROX CORP7 citations74
US4161454AJul 17, 1979
Coating magnetite with polyacid
XEROX CORP8 citations74
US4147645AApr 3, 1979
Electrographic flash fusing toners
XEROX CORP16 citations74
US4097620AJun 27, 1978
Magnetic toner particle coating process
XEROX CORP14 citations74
US4024292AMay 17, 1977
Process for developing latent electrostatic images with ink
XEROX CORP14 citations74
US3954640AMay 4, 1976
Electrostatic printing inks
XEROX CORP13 citations74
US4326019AApr 20, 1982
Positive toners containing long chain hydrazinium compounds
XEROX CORP7 citations73
US4269922AMay 26, 1981
Positive toners containing long chain hydrazinium compounds
XEROX CORP6 citations73
US4059444ANov 22, 1977
Liquid development using conductive inks
XEROX CORP16 citations73
US5130177AJul 14, 1992
Conductive coating compositions
XEROX CORP11 citations72
US4851316AJul 25, 1989
Liquid toner compositions with amino acids and polyvalent metal complexes as charge control additives
XEROX CORP8 citations72
US4654175AMar 31, 1987
Organic sulfate and sulfonate compositions
XEROX CORP8 citations71
US4411975AOct 25, 1983
Para-halo phenyl carboxylic acid charge enhancing additives
XEROX CORP6 citations70
US4324851AApr 13, 1982
Positive color toners
XEROX CORP13 citations69
US4179388ADec 18, 1979
Electrostatographic developer with smooth surfaced carrier
XEROX CORP8 citations68
US4293631AOct 6, 1981
Electrographic toner compositions
XEROX CORP2 citations63
US4256824AMar 17, 1981
Method using positively charged electrophotographic toner containing amido dialkyl hydroxy ammonium compound
XEROX CORP4 citations63
US4047943ASep 13, 1977
Method of developing electrostatic latent images with conductive liquid developer
XEROX CORP3 citations63
US4004931AJan 25, 1977
Constant viscosity inks
XEROX CORP6 citations63
US4286038AAug 25, 1981
Positive toners containing alkyl picolinium compounds
XEROX CORP3 citations62
US4264702AApr 28, 1981
Positive toners containing alkyl morpholinium compounds as charge control agents
XEROX CORP2 citations62
US4254205AMar 3, 1981
Positive toners containing alkyl picolinium compounds as charge control agents
XEROX CORP5 citations62
US4287284ASep 1, 1981
Method of imagining using positive toners containing alkyl morpholinium compounds
XEROX CORP0 citations52
US4410617AOct 18, 1983
Colored toner and developer composition
XEROX CORP0 citations51