Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130708 | Roofing granules with high solar reflectance, roofing products with high solar reflectance, and processes for preparing same | Ming Liang Shiao, Walter T. Stephens | 2021-09-28 |
| 11060288 | Method of producing roofing shingles with enhanced granule adhesion | Husnu M. Kalkanoglu, Joong Youn Kim | 2021-07-13 |
| 11021877 | Post-functionalized roofing granules and process for preparing same | Gregory F. Jacobs, Van Nhan Nguyen | 2021-06-01 |
| 10934456 | Oxidized mixture of bio-based material and asphalt, a bio-based asphaltic material, and methods of making the same | Husnu M. Kalkanoglu, Gregory F. Jacobs | 2021-03-02 |