Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9035076 | Recovery of lactic acid values from a meso-lactide stream | Joseph D. Schroeder | 2015-05-19 |
| 8962791 | Polylactic acid stereocomplex compositions and methods for making and using same | — | 2015-02-24 |
| 8674056 | Methods for producing lactide with recycle of meso-lactide | — | 2014-03-18 |
| 8552209 | Recovery of lactic acid values from a meso-lactide stream | Joseph D. Schroeder | 2013-10-08 |
| 6326458 | Continuous process for the manufacture of lactide and lactide polymers | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Matthew L. Iwen, 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, Matthew L. Iwen, Ronald L. Borchardt | 2001-08-21 |
| 6153773 | Method for preparation of purified glycerides, and, products | Jeffrey John Kolstad, Scott Bloomer, Paraskevas Tsobanakis | 2000-11-28 |
| 6005067 | Continuous process for manufacture of lactide polymers with controlled optical purity | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Matthew L. Iwen, Ronald L. Borchardt | 1999-12-21 |
| 5959128 | Method for preparation of purified glycerides and products | Jeffrey John Kolstad, Scott Bloomer, Paraskevas Tsobanakis | 1999-09-28 |
| 5859270 | Method for preparation of purified monoglycerides; and, products | Jeffrey John Kolstad, Scott Bloomer, Paris Tsobanakis | 1999-01-12 |
| 5823708 | Device which provides an underwater dry workshop environment for ship propeller inspection and repair | John M. Dwight | 1998-10-20 |
| 5357035 | Continuous process for manufacture of lactide polymers with purification by distillation | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Matthew L. Iwen, Ronald L. Borchardt | 1994-10-18 |
| 5274073 | Continuous process for manufacture of a purified lactide | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Matthew L. Iwen, 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, Matthew L. Iwen, 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, Matthew L. Iwen, Ronald L. Borchardt | 1993-09-21 |
| 5247058 | Continuous process for manufacture of lactide polymers with controlled optical purity | Patrick R. Gruber, Eric Stanley Hall, Jeffrey John Kolstad, Matthew L. Iwan, 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, Matthew L. Iwen, Ronald L. Borchardt | 1992-08-25 |
| 4490457 | Cold/dry substrate treatment technique which improves photolithographic limits of resolution and exposure tolerance | Vahram S. Kardashian | 1984-12-25 |