Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555623 | Preparation of unsaturated polyesters | Lau S. Yang, Paul M. Puckett, Lawrence J. Karas, Paul A. Albano | 2003-04-29 |
| 5880225 | Process for making polyetherester resins having high aromatic diester | Lau S. Yang, Gangfeng Cai | 1999-03-09 |
| 5401856 | Process for making pyrrolidones | Roger A. Grey | 1995-03-28 |
| 5401857 | Process for making .gamma.-butyrolactones | Roger A. Grey | 1995-03-28 |
| 5116882 | Process for making copolymers of vinyl aromatic monomers and vinyl phosphonic acid derivatives and foamed articles therefrom | Roger A. Grey, Laurel E. Schock | 1992-05-26 |
| 5109033 | Vinyl aromatic monomer/vinyl phosphonate copolymer compositions and foamed articles derived therefrom | Roger A. Grey, Laurel E. Schock | 1992-04-28 |