Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436679 | Process for the preparation of immunodulatory polysaccharides from aloe | Zhihua Qiu | 2002-08-20 |
| 6271214 | Process for the preparation of immunomodulatory polysaccharides from aloe | Zhihua Qiu | 2001-08-07 |
| 6210680 | Method for the prevention and treatment of chronic venous insufficiency | Qi Jia, Zhihua Qiu, Ajith Nissanka, Thomas M. Farrow | 2001-04-03 |
| 6133440 | Process for the preparation of immunomodulatory polysaccharides from aloe | Zhihua Qiu | 2000-10-17 |
| 5990284 | Process for the isolation and purification of zeamatin | Robert Rieger | 1999-11-23 |
| 5801256 | Method for the synthesis of 8-C-.beta.-D2'-O-(E)-cinnamoyl!glycopyranosyl-2-2-hydroxy!propyl-7-met hoxy-5-methylchromone | Abeysinghe A. Padmapriya | 1998-09-01 |