Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9279066 | Slurry for asphalt pavement and driveway sealer | Ionela Glover, Michael L. Yap, Amir Khan | 2016-03-08 |
| 9273228 | Roof coating composition | Donald C. Portfolio | 2016-03-01 |
| 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 |
| 6616743 | Aqueous emulsions, with bentonite for cold application bitumen | Michael L. Yap, Barton J. Malina | 2003-09-09 |
| 6037398 | SBR-SBS modified asphalt roofing compositions especially adapted for cold application | Michael L. Yap, Barton J. Malina | 2000-03-14 |
| 6019830 | Cold application, fly ash aqueous colloidal dispersion driveway sealers | Michael L. Yap, Barton J. Malina | 2000-02-01 |
| 5573586 | Asbestos-free, asphalt roofing compositions especially adapted for cold applications | Michael L. Yap, Barton J. Malina | 1996-11-12 |