Eka Nobel Inc.
15Patents
0Active
15Granted
32Portfolio score
Filing activity: Dec 22, 1986 → Feb 28, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5641530A | Method of disinfection | Human Necessities | 83 | Expired |
| US5470480A | Process for treating waste water effluent | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5858322A | Process of producing chlorine dioxide | Chemistry; Metallurgy | 19 | Expired |
| US5380517A | Process for continuously producing chlorine dioxide | Chemistry; Metallurgy | 18 | Expired |
| US5770171A | Process for production of chlorine dioxide | Chemistry; Metallurgy | 15 | Expired |
| US5009789A | Method and plant for separation of synthetic water soluble polymers | Performing Operations; Transporting | 15 | Expired |
| US4755259A | Process for papermaking | Textiles; Paper | 14 | Expired |
| US5273733A | Process for the production of chlorine dioxide | Chemistry; Metallurgy | 11 | Expired |
| US5624545A | Production of polysulphide by electrolysis of white liquor containing sulphide | Chemistry; Metallurgy | 11 | Expired |
| US5175250A | Stabilized rosin and process for production and use thereof | Chemistry; Metallurgy | 9 | Expired |
| US5487881A | Process of producing chlorine dioxide | Chemistry; Metallurgy | 7 | Expired |
| US5523072A | Process of producing chlorine dioxide | Chemistry; Metallurgy | 6 | Expired |
| US5486344A | Method of producing chlorine dioxide | Chemistry; Metallurgy | 6 | Expired |
| US5478446A | Electrochemical process | Chemistry; Metallurgy | 6 | Expired |
| US5101051A | Process for the production of epoxides | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.