Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6013157 | Froth moderating agent for controlling froth and reducing stickies in the flotation process for deinking waste paper | Chin Li, Bhima R. Vijayendrar | 2000-01-11 |
| 5718801 | Method for controlling froth and reducing stickies in the flotation process for deinking waste paper using a froth moderating agent | Chin Li, Bhima R. Vijayendran | 1998-02-17 |
| 5660684 | Deinking electrostatic waste paper | Chin Li | 1997-08-26 |
| 4681750 | Preparation of amorphous, precipitated silica and siliceous filler-reinforced microporous polymeric separator | Harlan B. Johnson, Thomas G. Krivak | 1987-07-21 |
| 4590318 | Method for producing vinyl chloride | — | 1986-05-20 |