Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793726 | Aqueous suspensions with bentonite for mastics and sealants | Michael L. Yap, Barton J. Malina | 2004-09-21 |
| 6786962 | Emulsion of a colloidal clay and water slurry in a bitumen cutback | Michael L. Yap, Barton J. Malina | 2004-09-07 |