Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667384 | Methyl acrylate-diamine based polyamide resins and processes for producing the same | Armin Michel, Huai N. Cheng, William W. Maslanka, Ronald R. Staib | 2003-12-23 |
| 6624298 | Esterified polysaccharide products and &bgr;-lactone ring opened ketene dimer products containing the compositions, and process of making the same | Huai N. Cheng | 2003-09-23 |
| 6527915 | Proteins for use as pitch and stickies control agents in pulp and papermaking processes | — | 2003-03-04 |
| 6528643 | Esterified polysaccharide products and B-lactone ring opened ketene dimer products containing the compositions, and process of making the same | Huai N. Cheng | 2003-03-04 |