Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6214945 | Process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions | James M. Roe, Duane B. Priddy, Jose M. Rego | 2001-04-10 |
| 5948874 | Acid catalyzed polymerization | Duane B. Priddy | 1999-09-07 |
| 5700887 | Preparation of branched polymers from vinyl aromatic monomer | Jerry L. Hahnfeld, Timothy G. Bee, Donald E. Kirkpatrick, Lu H. Tung | 1997-12-23 |
| 5663252 | Process for preparing a branched polymer from a vinyl aromatic monomer | Duane B. Priddy, Peter Vollenberg | 1997-09-02 |
| 5650106 | Extruded foams having a monovinyl aromatic polymer with a broad molecular weight distribution | Andrew N. Paquet, Duane B. Priddy, Chau V. Vo, Jerry L. Hahnfeld | 1997-07-22 |
| 5354896 | Catalysts for reaction of epoxides and acids | Clinton J. Boriack, James A. Rabon | 1994-10-11 |
| 5182026 | Resins having improved exchange kinetics | — | 1993-01-26 |
| 5141965 | Resins having improved exchange kinetics | — | 1992-08-25 |
| 5112873 | Resins having improved exchange kinetics | — | 1992-05-12 |
| 4970333 | Process for making carboxylic acid esters using a crosslinked acrylic resin as the catalyst | James A. Rabon, Clinton J. Boriack | 1990-11-13 |
| 4728152 | Borehole extraction of minerals | Timothy R. Woolmington | 1988-03-01 |
| 4715455 | Drill shoe | Martin A. Bollands, Prem S. Thukral, Timothy P. Woolmington | 1987-12-29 |