Advanced Separation Technologies Inc.
17Patents
0Active
17Granted
33Portfolio score
Filing activity: Jul 27, 1984 → May 9, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4764276A | Device for continuous contacting of fluids and solids | Performing Operations; Transporting | 77 | Expired |
| US4808317A | Process for continuous contacting of fluids and solids | Performing Operations; Transporting | 50 | Expired |
| US4539399A | Bonded phase material for chromatographic separations | Performing Operations; Transporting | 50 | Expired |
| US4734200A | Process for removal of fluoride and phosphorus-type contaminants from acidic wastewater | Performing Operations; Transporting | 33 | Expired |
| US4695387A | Removal of ammonia from wastewater | Chemistry; Metallurgy | 27 | Expired |
| US5676826A | Fluid-solid contacting apparatus | Performing Operations; Transporting | 23 | Expired |
| US4778492A | Continuous gas treatment method and apparatus for adsorption processes | Performing Operations; Transporting | 20 | Expired |
| US5154738A | Chiral separation media | Performing Operations; Transporting | 14 | Expired |
| US5064944A | Chiral separation media | Performing Operations; Transporting | 13 | Expired |
| US4948395A | Chiral separation media | Performing Operations; Transporting | 10 | Expired |
| US4695386A | Process for the decolorization of pulp mill process streams | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5893947A | Process for purifying sugar solutions | Chemistry; Metallurgy | 7 | Expired |
| US4704263A | Production of potassium phosphates by ion exchange | Chemistry; Metallurgy | 7 | Expired |
| US5171548A | Process for the removal of vanadium from wet process phosphoric acid | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5626757A | Macrocyclic antibiotics as separation agents | Physics | 5 | Expired |
| US4710364A | Continuous recovery of sulfur oxide from flue gas | Chemistry; Metallurgy | 5 | Expired |
| US4704262A | Process for production of dialkali metal phosphates by ion exchange | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.