Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6326458 | Continuous process for the manufacture of lactide and lactide polymers | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Richard Douglas Benson, Ronald L. Borchardt | 2001-12-04 |
| 6277951 | Continuous process for manufacture of lactide polymers with controlled optical purity | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Richard Douglas Benson, Ronald L. Borchardt | 2001-08-21 |
| 6183814 | Coating grade polylactide and coated paper, preparation and uses thereof, and articles prepared therefrom | James Nangeroni, Mark Hartmann, Christopher M. Ryan, Jeffrey John Kolstad, Kevin T. McCarthy | 2001-02-06 |
| 6005067 | Continuous process for manufacture of lactide polymers with controlled optical purity | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Richard Douglas Benson, Ronald L. Borchardt | 1999-12-21 |
| 5357035 | Continuous process for manufacture of lactide polymers with purification by distillation | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Richard Douglas Benson, Ronald L. Borchardt | 1994-10-18 |
| 5274073 | Continuous process for manufacture of a purified lactide | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Richard Douglas Benson, Ronald L. Borchardt | 1993-12-28 |
| 5258488 | Continuous process for manufacture of lactide polymers with controlled optical purity | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Richard Douglas Benson, Ronald L. Borchardt | 1993-11-02 |
| 5247059 | Continuous process for the manufacture of a purified lactide from esters of lactic acid | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Richard Douglas Benson, Ronald L. Borchardt | 1993-09-21 |
| 5142023 | Continuous process for manufacture of lactide polymers with controlled optical purity | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Richard Douglas Benson, Ronald L. Borchardt | 1992-08-25 |