Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7572930 | Process for preparing 1-(mercaptomethyl)cyclopropaneacetic acid, a useful intermediate in the preparation of montelukast and salts thereof | Yanling Wang, Michael Brand, Joseph Kaspi | 2009-08-11 |
| 6190807 | Mask compatible with different steppers | Chii-Ming Shiah | 2001-02-20 |