Robert C. Johnson
48Patents
11h-index
34Co-inventors
75Inventor score
Filing activity: Jun 21, 1976 → Feb 21, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8058486B2 | Integrated process to produce 2,3,3,3-tetrafluoropropene | Emerging Cross-Sectional Technologies | 100 | Active |
| US7829748B1 | Process for the manufacture of 1,3,3,3-tetrafluoropropene | Performing Operations; Transporting | 39 | Active |
| US8071825B2 | Method for producing fluorinated organic compounds | Chemistry; Metallurgy | 37 | Active |
| US7880040B2 | Method for producing fluorinated organic compounds | Chemistry; Metallurgy | 29 | Active |
| US7951982B2 | Method for producing fluorinated organic compounds | Chemistry; Metallurgy | 26 | Active |
| US4129527A | Liquid abrasive detergent composition and method for preparing same | Chemistry; Metallurgy | 18 | Expired |
| US8426656B2 | Integrated process to co-produce trans-1-chloro-3,3,3-trifluoropropene and trans-1,3,3,3-tetrafluoropropene | Emerging Cross-Sectional Technologies | 18 | Active |
| US7592494B2 | Process for the manufacture of 1,3,3,3-tetrafluoropropene | Performing Operations; Transporting | 18 | Expired |
| US6759381B1 | Azeotrope-like compositions of 1-chloro-1,3,3,3-tetrafluoropropane and 1,2-dichloro-3,3,3-trifluoropropene | Chemistry; Metallurgy | 16 | Expired |
| US7674756B2 | Solvent compositions containing chlorofluoroolefins or fluoroolefins | Emerging Cross-Sectional Technologies | 13 | Active |
| US5095922A | Process for increasing the filling power of tobacco material | Human Necessities | 11 | Expired |
| US4678807A | Method for directed visceral metabolism of medium chain triglycerides | Human Necessities | 11 | Expired |
| US7026521B1 | Methane and methyl chloride as selective reducing agent in the transformation of hydrochlorofluorocarbons or chlorofluorocarbons to hydrofluorocarbons | Performing Operations; Transporting | 10 | Expired |
| US7985299B2 | Solvent compositions containing chlorofloroolefins or fluoroolefins | Emerging Cross-Sectional Technologies | 8 | Active |
| US8664455B2 | Process to manufacture 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) | Chemistry; Metallurgy | 8 | Active |
| US9045386B2 | Integrated process and methods of producing (E)-1-chloro-3,3,3-trifluoropropene | Emerging Cross-Sectional Technologies | 6 | Active |
| US8835698B2 | Method for producing fluorinated organic compounds | Chemistry; Metallurgy | 6 | Active |
| US5469872A | Tobacco expansion processes and apparatus | Human Necessities | 6 | Expired |
| US7071368B1 | Method of making 1,1,1-trifluoroethane | Chemistry; Metallurgy | 5 | Expired |
| US8008243B2 | Azeotrope-like compositions of 1,1,2,3-tetrachloropropene and hydrogen fluoride | Chemistry; Metallurgy | 5 | Active |
| US8455704B2 | Method for producing fluorinated organic compounds | Chemistry; Metallurgy | 5 | Active |
| US8618040B2 | Solvent compositions containing chlorofluoroolefins or fluoroolefins | Emerging Cross-Sectional Technologies | 4 | Active |
| US8916733B2 | Processes for hydrofluorination of 2-chloro-3,3,3-trifluoropropene to 2-chloro-1,1,1,2-tetrafluoropropane | Chemistry; Metallurgy | 3 | Active |
| US9181151B2 | Process to manufacture 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) | Chemistry; Metallurgy | 3 | Active |
| US8044015B2 | 3-chloro 1,1,1,6,6,6-hexafluoro-2,4-hexadiene and solvent compositions containing the same | Chemistry; Metallurgy | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.