Supelco, Inc.
19Patents
0Active
19Granted
32Portfolio score
Filing activity: Feb 26, 1982 → Jun 7, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4933372A | Porous rigid resins and process of preparation | Chemistry; Metallurgy | 71 | Expired |
| US5047438A | Porous rigid resins and process of preparation | Performing Operations; Transporting | 59 | Expired |
| US5137627A | Deactivated supports for liquid chromatographic separation of silanophiles | Performing Operations; Transporting | 47 | Expired |
| US4529230A | Capillary tubing and small rod connector | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5630937A | Nucleophilic bodies bonded to siloxane and use thereof for separations from sample matrices | Physics | 30 | Expired |
| US5599445A | Nucleophilic bodies bonded to siloxane and use thereof for separations from sample matrices | Physics | 22 | Expired |
| US5653875A | Nucleophilic bodies bonded to siloxane and use thereof for separations from sample matrices | Physics | 18 | Expired |
| USD312875S | Short-tube heatless concentrator | General | 15 | Expired |
| US5192406A | Deactivated capillary columns for use in capillary electrophoresis | Physics | 14 | Expired |
| US5620603A | Nucleophilic bodies bonded to siloxane and use thereof for separations from sample matrices | Physics | 13 | Expired |
| US5609756A | Nucleophilic bodies bonded to siloxane and use thereof for separations from sample matrices | Physics | 12 | Expired |
| US5338454A | Chiral mobile phase additives for improved liquid-chromatography separations | Performing Operations; Transporting | 7 | Expired |
| USD319879S | Single sample processor syringe for solid phase extraction tubes | General | 7 | Expired |
| US5607580A | Nucleophilic bodies bonded to siloxane and use thereof for separations from sample matrices | Physics | 7 | Expired |
| US5552324A | Method and apparatus for determining the concentration of readily oxidizable organic vapors in gas samples | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD316897S | Combined gas treatment tube and enclosing guard tube | General | 4 | Expired |
| USD289861S | Extraction vacuum manifold | General | 4 | Expired |
| USD312876S | Long-tube heatless concentrator | General | 2 | Expired |
| USD312691S | Threaded heatless concentrator | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.