John R. Hurlock
22Patents
12h-index
17Co-inventors
78Inventor score
Filing activity: Nov 19, 1975 → Oct 15, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5837776A | Process for producing water soluble anionic dispersion polymers | Chemistry; Metallurgy | 48 | Expired |
| US4024097A | Stable water-in-oil emulsion polymers with small particle size | Chemistry; Metallurgy | 46 | Expired |
| US5597859A | Seed process for salt dispersion polymer | Chemistry; Metallurgy | 42 | Expired |
| US6217778A | Anionic and nonionic dispersion polymers for clarification and dewatering | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5938937A | Hydrophilic dispersion polymers for treating wastewater | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6071379A | Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids | Textiles; Paper | 27 | Expired |
| US4655934A | Dimeric aluminum compounds and their use | Chemistry; Metallurgy | 24 | Expired |
| US6265477A | Aqueous dispersion of a particulate high molecular weight anionic or nonionic polymer | Chemistry; Metallurgy | 23 | Expired |
| US5653886A | Coagulant for mineral refuse slurries | Chemistry; Metallurgy | 20 | Expired |
| US6025426A | Process for preparing hydrophilic dispersion polymers for treating wastewater | Chemistry; Metallurgy | 16 | Expired |
| US4179424A | Method for rapidly producing amino methylated polymers and quaternary ammonium salts thereof | Chemistry; Metallurgy | 16 | Expired |
| US4120840A | Phosphorus acid to stabilize quaternized polyacrylamide | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6331229A | Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers | Textiles; Paper | 12 | Expired |
| US6059930A | Papermaking process utilizing hydrophilic dispersion polymers of dimethylaminoethyl acrylate methyl chloride quaternary and acrylamide as retention and drainage aids | Textiles; Paper | 12 | Expired |
| US6432271B1 | Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or nonionic dispersion polymers | Textiles; Paper | 10 | Expired |
| US4604211A | Acrylic acid-sodium vinylsulfonate-vinyl acetate terpolymer and use thereof as a dispersant | Chemistry; Metallurgy | 7 | Expired |
| US4195003A | Phosphorus acid to stabilize quaternized polyacrylamide | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4010142A | Purification of acrylamide via crystallization with centrifugal liquor separation | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6133368A | Seed process for salt dispersion polymer | Chemistry; Metallurgy | 3 | Expired |
| US4255545A | Discrete bead polymer process | Chemistry; Metallurgy | 3 | Expired |
| US3989754A | Method of improving the removal of mother liquor from acrylamide crystals | Chemistry; Metallurgy | 3 | Expired |
| US5395897A | High molecular weight substituted amides from polycarboxylic acids | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.