Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11608404 | Block copolymers and polymer modified bitumen therefrom | Erica Jellema, Sebastian Puchalski, Rombout Hartemink | 2023-03-21 |
| 10793720 | Reclaimed asphalt composition and methods of making and using same | Sebastian Puchalski, Christopher M. Lubbers | 2020-10-06 |
| 10767033 | Asphalt compositions and methods of making same | Erica Jellema, Donn A. DuBois, Sebastian Puchalski, Carl L. Willis, Christopher M. Lubbers | 2020-09-08 |
| 10647805 | Highly asymmetric triblock polymer compositions and methods of making same | Donn A. DuBois, Martine Dupont, Carl L. Willis | 2020-05-12 |
| 9790360 | Oil gel for asphalt modification and rejuvenation | Sebastian Puchalski, Christopher M. Lubbers | 2017-10-17 |
| 9115296 | Bituminous emulsions | Keith E. Stephens, Willem C. Vonk, Jan Korenstra | 2015-08-25 |
| 7728074 | Process for preparing a bituminous binder composition | Keith E. Stephens | 2010-06-01 |
| 7622519 | Bituminous binder composition and process for preparing the same | Keith E. Stephens | 2009-11-24 |
| 7592381 | Process for preparing a bituminous binder composition | Keith E. Stephens | 2009-09-22 |
| 7576148 | Blown asphalt compositions | Harriet Kendrick, Keith E. Stephens | 2009-08-18 |
| 6759454 | Polymer modified bitumen compositions | Keith E. Stephens, Dale L. Handlin, Jr., Carl L. Willis | 2004-07-06 |
| 6133350 | Oil free compounds of styrenic block copolymers, amorphous polyolefins, and carbon black | Harriet Kendrick | 2000-10-17 |
| 6120913 | Bituminous composition for shingles | Gerardus Wilhelmus Jozef Heimerikx | 2000-09-19 |
| 5718752 | Asphalt composition with improved processability | — | 1998-02-17 |
| 5693132 | Phenolic asphalt blends | Robert Lawrence Blackbourn, Cary A. Veith, David S. Cushing, James Laurel Buechele | 1997-12-02 |
| H1580 | Asphalt composition containing highly coupled radial polymers | — | 1996-08-06 |
| 5451619 | Asphalt composition containing epoxidized polymers | James R. Erickson | 1995-09-19 |
| H1346 | Functionalization of polyketone polymers | — | 1994-08-02 |
| 5322867 | Asphalt amine functionalized polymer composition | — | 1994-06-21 |
| 5278207 | Asphalt amine functionalized polymer composition | — | 1994-01-11 |
| 5082885 | Stabilized ethylene-carbon monoxide copolymer compositions | Johannes L. M. Syrier | 1992-01-21 |
| 5079285 | Stabilized compositions | — | 1992-01-07 |
| 5006638 | Melt processing of carbon monoxide/olefin copolymer with carbon dioxide | — | 1991-04-09 |
| 4994511 | Polyketone stabilization with dihydrocarbyldithiocarbamate salts | — | 1991-02-19 |
| 4992499 | Stabilized ethylene monoxide copolymers | Johannes L. M. Syrier, Hendrik Van De Weg | 1991-02-12 |