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| Number | Title | Issue Date |
| 6095202 | Method and device for packing capillary columns The present invention features a method and apparatus with a rotatable central reservoir and radially extending support arms for packing chromatographic columns at a consistent gradient of particle impact by using centripetal forces to independently accel... | 08/01/2000 |
| 4820506 | Salivary stimulant An aqueous liquid for promoting the production of human saliva in situ comprises: (a) about 2 to 3 wgt percent organic acidulent such as citric, malic, or ascorbic acid; (b) about 0.5 to 2.5 wgt percent of a natural, food-grade sweetener such as fructose ... | 04/11/1989 |
