Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031045 | Water-based sulfonated polymer compositions | Yi Wei, Yuduo Zhu | 2000-02-29 |
| 6017998 | Stable aqueous polyurethane dispersions | Yi Wei, Yuduo Zhu, Sonja Stammler, Brian L. Marty, Gary J. Haider +2 more | 2000-01-25 |
| 5900457 | Aqueous polyurethane dispersions formed from polyisocyanates having a methylene bridge | Douglas U. Gwost, Yi Wei, Yuduo Zhu, Sonja Stammler, Michael J. Maksymkiw | 1999-05-04 |
| 5872182 | Water-based polyurethanes for footwear | Sonja Stammler, Jillian H. Ierien, Brian L. Marty | 1999-02-16 |
| 5834554 | Laminating adhesives for flexible packaging | Douglas U. Gwost, Lowell Lindquist, Scott Rhein, Thomas E. Rolando, Sonja Stammler +2 more | 1998-11-10 |
| 5807919 | Water-based sulfonated polymer compositions | Yi Wei, Yuduo Zhu | 1998-09-15 |
| 5703158 | Aqueous anionic poly (urethane/urea) dispersions | Michael J. Dochniak, Sonja Stammler | 1997-12-30 |
| 5637639 | Reduced solvent process for preparation of aqueous polyurethane dispersions with improved heat-and water-resistance | Sonja Stammler | 1997-06-10 |
| 5610232 | Aqueous non-gelling, anionic polyurethane dispersions and process for their manufacture | Sonja Stammler, Scott Rhein, Lowell Lindquist | 1997-03-11 |
| 5608000 | Aqueous polyurethane dispersion adhesive compositions with improved heat resistance | Sonja Stammler | 1997-03-04 |
| 5087680 | Fluoropolymer alloys | Shanrong Jin, Tingchun Huang, Jin Sun, Xinying Yu | 1992-02-11 |