Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017998 | Stable aqueous polyurethane dispersions | Youlu Duan, Yi Wei, Yuduo Zhu, Brian L. Marty, Gary J. Haider +2 more | 2000-01-25 |
| 5900457 | Aqueous polyurethane dispersions formed from polyisocyanates having a methylene bridge | Youlu Duan, Douglas U. Gwost, Yi Wei, Yuduo Zhu, Michael J. Maksymkiw | 1999-05-04 |
| 5872182 | Water-based polyurethanes for footwear | Youlu Duan, Jillian H. Ierien, Brian L. Marty | 1999-02-16 |
| 5834554 | Laminating adhesives for flexible packaging | Youlu Duan, Douglas U. Gwost, Lowell Lindquist, Scott Rhein, Thomas E. Rolando +2 more | 1998-11-10 |
| 5703158 | Aqueous anionic poly (urethane/urea) dispersions | Youlu Duan, Michael J. Dochniak | 1997-12-30 |
| 5637639 | Reduced solvent process for preparation of aqueous polyurethane dispersions with improved heat-and water-resistance | Youlu Duan | 1997-06-10 |
| 5610232 | Aqueous non-gelling, anionic polyurethane dispersions and process for their manufacture | Youlu Duan, Scott Rhein, Lowell Lindquist | 1997-03-11 |
| 5608000 | Aqueous polyurethane dispersion adhesive compositions with improved heat resistance | Youlu Duan | 1997-03-04 |