Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544552 | Method of producing porous tablets with improved dissolution properties | Robert E. Sparks, Irwin C. Jacobs | 2003-04-08 |
| 5902565 | Spray dried vaccine preparation comprising aluminium adsorbed immunogens | John C. Cox, Robert E. Sparks, Irwin C. Jacobs | 1999-05-11 |
| 5289929 | Tamper indicating means for vacuum closures | Robert J. Heilman, Daniel M. Carson, Robert E. Sparks | 1994-03-01 |
| 5186937 | Composition for feeding ruminants | Robert E. Sparks, Pierre Autant, Andre Cartillier, Raymond Pigeon | 1993-02-16 |
| 5100592 | Method and apparatus for granulation and granulated product | Robert E. Sparks, Michael Center | 1992-03-31 |
| 5019302 | Method for granulation | Robert E. Sparks, Michael Center | 1991-05-28 |
| 4675140 | Method for coating particles or liquid droplets | Robert E. Sparks | 1987-06-23 |
| 4622244 | Process for preparation of microcapsules | Galen G. Lapka, Curt Thies | 1986-11-11 |
| 4239714 | Method for modifying the pore size distribution of a microporous separation medium | Robert E. Sparks, Mariam M. Wahab | 1980-12-16 |
| 4181718 | Polyanion-stabilized aluminum hydrogels | Robert E. Sparks | 1980-01-01 |