Inventor
HURLOCK JOHN R
US22 patents
Patents
22 patentsUS5837776ANov 17, 1998
Process for producing water soluble anionic dispersion polymers
NALCO CHEMICAL CO81 citations96
US5597859AJan 28, 1997
Seed process for salt dispersion polymer
NALCO CHEMICAL CO82 citations96
US4024097AMay 17, 1977
Stable water-in-oil emulsion polymers with small particle size
NALCO CHEMICAL CO57 citations96
US6217778B1Apr 17, 2001
Anionic and nonionic dispersion polymers for clarification and dewatering
NALCO CHEMICAL CO69 citations94
US6432271B1Aug 13, 2002
Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or nonionic dispersion polymers
NALCO CHEMICAL CO20 citations92
US6331229B1Dec 18, 2001
Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers
NALCO CHEMICAL CO31 citations92
US6265477B1Jul 24, 2001
Aqueous dispersion of a particulate high molecular weight anionic or nonionic polymer
NALCO CHEMICAL CO43 citations92
US6059930AMay 9, 2000
Papermaking process utilizing hydrophilic dispersion polymers of dimethylaminoethyl acrylate methyl chloride quaternary and acrylamide as retention and drainage aids
NALCO CHEMICAL CO31 citations92
US6025426AFeb 15, 2000
Process for preparing hydrophilic dispersion polymers for treating wastewater
NALCO CHEMICAL CO34 citations92
US5938937AAug 17, 1999
Hydrophilic dispersion polymers for treating wastewater
NALCO CHEMICAL CO50 citations92
US5653886AAug 5, 1997
Coagulant for mineral refuse slurries
NALCO CHEMICAL CO33 citations92
US6071379AJun 6, 2000
Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids
NALCO CHEMICAL CO48 citations91
US4655934AApr 7, 1987
Dimeric aluminum compounds and their use
NALCO CHEMICAL CO38 citations90
US4179424ADec 18, 1979
Method for rapidly producing amino methylated polymers and quaternary ammonium salts thereof
NALCO CHEMICAL CO29 citations82
US6133368AOct 17, 2000
Seed process for salt dispersion polymer
NALCO CHEMICAL CO7 citations74
US4604211AAug 5, 1986
Acrylic acid-sodium vinylsulfonate-vinyl acetate terpolymer and use thereof as a dispersant
NALCO CHEMICAL CO8 citations74
US5395897AMar 7, 1995
High molecular weight substituted amides from polycarboxylic acids
NALCO CHEMICAL CO9 citations73
US4195003AMar 25, 1980
Phosphorus acid to stabilize quaternized polyacrylamide
NALCO CHEMICAL CO8 citations73
US4120840AOct 17, 1978
Phosphorus acid to stabilize quaternized polyacrylamide
NALCO CHEMICAL CO13 citations73
US4010142AMar 1, 1977
Purification of acrylamide via crystallization with centrifugal liquor separation
NALCO CHEMICAL CO5 citations63
US3989754ANov 2, 1976
Method of improving the removal of mother liquor from acrylamide crystals
NALCO CHEMICAL CO5 citations63
US4255545AMar 10, 1981
Discrete bead polymer process
NALCO CHEMICAL CO6 citations62