Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11760881 | Crack sealant method and composition for resistance to UV aging and weathering | Joseph J. Lorenc, Thomas John Haslett | 2023-09-19 |
| 11618824 | Composition comprising a concentrate of natural asphaltene in fluxing oil suitable for use in preparing asphalt blends | Bart Lungren, Joseph Lorenc, Brian J. Majeska, Donald R. Sjogren, Gregory S Lee | 2023-04-04 |
| 11572472 | Pigmentable, non-asphalt based, sealant composition and methods of production and use | Brian J. Majeska | 2023-02-07 |