Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663415 | Process for preparing antihistamine tannates | James R. Schleck, Vernon A. Brown, Cheng Guo | 1997-09-02 |
| 5599846 | Phenylephrine tannate compositions | James R. Schleck, Vernon A. Brown, Cheng Guo | 1997-02-04 |
| 5597517 | Two-component chemiluminescent composition | James R. Schleck, Cheng Guo, Amanda J. Hall | 1997-01-28 |