Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793726 | Aqueous suspensions with bentonite for mastics and sealants | Michael L. Yap, Raymond T. Hyer | 2004-09-21 |
| 6786962 | Emulsion of a colloidal clay and water slurry in a bitumen cutback | Michael L. Yap, Raymond T. Hyer | 2004-09-07 |
| 6776833 | Emulsion of bitumen in a colloidal clay and water slurry | Michael L. Yap, Raymont T. Hyer | 2004-08-17 |
| 6616743 | Aqueous emulsions, with bentonite for cold application bitumen | Michael L. Yap, Raymond T. Hyer | 2003-09-09 |
| 6037398 | SBR-SBS modified asphalt roofing compositions especially adapted for cold application | Michael L. Yap, Raymond T. Hyer | 2000-03-14 |
| 6019830 | Cold application, fly ash aqueous colloidal dispersion driveway sealers | Michael L. Yap, Raymond T. Hyer | 2000-02-01 |
| 5573586 | Asbestos-free, asphalt roofing compositions especially adapted for cold applications | Michael L. Yap, Raymond T. Hyer | 1996-11-12 |