Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691406 | Zeaxanthin formulations for human ingestion | Luis H. Guerra-Santos, Dennis L. Gierhart | 2010-04-06 |
| RE38009 | Zeaxanthin formulations for human ingestion | Luis H. Guerra-Santos, Dennis L. Gierhart | 2003-02-25 |
| 5854015 | Method of making pure 3R-3'R stereoisomer of zeaxanthin for human ingestion | Dennis L. Gierhart, Luis H. Guerra-Santos | 1998-12-29 |
| 5827652 | Zeaxanthin formulations for human ingestion | Dennis L. Gierhart, Luis H. Guerra-Santos | 1998-10-27 |
| 5747544 | Method of using pure 3R-3'R stereoisomer of zeaxanthin to treat or prevent retinal degeneration in humans | Dennis L. Gierhart, Luis H. Guerra-Santos | 1998-05-05 |