Chisso Engineering Co Ltd
9Patents
0Active
9Granted
27Portfolio score
Filing activity: Dec 27, 1974 → Jul 7, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4456186A | Electrically heated reactor for high temperature and pressure chemical reactions | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4013430A | Process for regenerating absorbing solution used for exhaust gas purification | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4079118A | Method for removing nitrogen oxides using ferricion-EDTA complex solutions | Performing Operations; Transporting | 15 | Expired |
| US4791262A | Voltage transformer type electric fluid heater | Electricity | 15 | Expired |
| US4091074A | Method for regenerating iron-EDTA solutions used for scrubbing plug gases | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4290996A | Method for initiating biaxial stretching of plastic tubes and apparatus therefor | Performing Operations; Transporting | 7 | Expired |
| US4374705A | Distillation for alcohol | Performing Operations; Transporting | 6 | Expired |
| US4645912A | Pipeline heated by a diagonal feeding, band-form, electrical heat-generating apparatus | Electricity | 5 | Expired |
| US4299793A | Method and apparatus for producing tubular plastic films | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.