Jan Bock
74Patents
21h-index
41Co-inventors
88Inventor score
Filing activity: Nov 18, 1974 → Sep 8, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4458757A | In situ shale-oil recovery process | Fixed Constructions | 288 | Expired |
| US5514588A | Surfactant-nutrients for bioremediation of hydrocarbon contaminated soils and water | Chemistry; Metallurgy | 85 | Expired |
| US4741835A | Oil-in-water emulsion breaking with hydrophobically functionalized cationic polymers | Chemistry; Metallurgy | 57 | Expired |
| US5089578A | Hydrophobically associating terpolymers containing sulfonate functionality | Chemistry; Metallurgy | 52 | Expired |
| US4702319A | Enhanced oil recovery with hydrophobically associating polymers containing sulfonate functionality | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4835234A | Hydrophobically functionalized cationic polymers | Chemistry; Metallurgy | 43 | Expired |
| US4730028A | Process for preparing hydrophobically associating terpolymers containing sulfonate functionality | Chemistry; Metallurgy | 41 | Expired |
| US3974241A | Blends of sulfonated elastomers with crystalline polyolefins | Chemistry; Metallurgy | 37 | Expired |
| US4521580A | Microemulsion process for producing acrylamide-alkyl acrylamide copolymers | Chemistry; Metallurgy | 36 | Expired |
| US4463151A | Process for the formation of novel acrylamide acrylate copolymers | Chemistry; Metallurgy | 32 | Expired |
| US4663408A | Tetrapolymers of N-vinyl pyrrolidone/acrylamide/salt of acrylic acid/N-alkyl acrylamide | Chemistry; Metallurgy | 30 | Expired |
| US4694046A | Hydrophobically associating terpolymers of acrylamide, salts of acrylic acid and alkyl acrylamide | Chemistry; Metallurgy | 29 | Expired |
| US4734205A | Hydrophobically associating polymers for oily water clean-up | Chemistry; Metallurgy | 29 | Expired |
| US4461696A | Shale-oil recovery process | Chemistry; Metallurgy | 28 | Expired |
| US4147677A | Dry blending of neutralized sulfonated elastomeric powders | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4520182A | Acrylamide-alkylacrylamide copolymers | Chemistry; Metallurgy | 26 | Expired |
| US4157432A | Bulk sulfonation process | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4528348A | Micellar process for the production of acrylamide-alkyl acrylamide copolymers | Chemistry; Metallurgy | 24 | Expired |
| US5026490A | Zwitterionic functionalized polymers as deflocculants in water based drilling fluids | Chemistry; Metallurgy | 23 | Expired |
| US3974240A | Thermoplastic elastomer compositions | Chemistry; Metallurgy | 22 | Expired |
| US4997878A | Hydrophobically associating polymers containing dimethyl acrylamide functionality | Chemistry; Metallurgy | 21 | Expired |
| US5503774A | Class of bifunctional additives for bioremediation of hydrocarbon contaminated soils and water | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4673716A | High molecular weight terpolymers of acrylamide, acrylic acid salts and alkylacrylamide | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4650848A | Terpolymers of acrylamide, alkylacrylamide and betaine monomers | Chemistry; Metallurgy | 19 | Expired |
| US4014831A | Novel ionic polymer compositions | Chemistry; Metallurgy | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.