Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667392 | Polymeric acetoacetanilide azo colorants | Eric B. Stephens, Mary G. Mason, John W. Miley, Leonard J. Starks, Eugene Kyle Stephenson | 2003-12-23 |
| 6607591 | Low-viscosity nonaqueous liquid pigment dispersions and methods of utilizing such compositions | Mark E. Ragsdale, Eric B. Stephens | 2003-08-19 |
| 6605126 | Low-viscosity polymeric colorants exhibiting high color strength characteristics | Mark E. Ragsdale, Eric B. Stephens | 2003-08-12 |
| 6602447 | Low-color ultraviolet absorbers for high UV wavelength protection applications | Todd D. Danielson, Xiaodong Zhao, Mary E. Mason, Daniel Connor, Eric B. Stephens +1 more | 2003-08-05 |
| 6596795 | Low-color vanillin-based ultraviolet absorbers and methods of making thereof | Xiaodong Zhao, Mary E. Mason | 2003-07-22 |
| 6593483 | Polymeric blue anthraquinone-derivative colorants | — | 2003-07-15 |
| 6559216 | Low-color ultraviolet absorber compounds and compositions thereof | Xiaodong Zhao, Todd D. Danielson, Mary E. Mason, Daniel Connor, Eric B. Stephens +1 more | 2003-05-06 |
| 6528564 | Articles comprising novel polymeric blue anthraquinone-derivative colorants | — | 2003-03-04 |
| 6500935 | Aromatic bis-acetoacetamide intermediates | John W. Miley | 2002-12-31 |
| 6479648 | Polymeric bis-acetoacetanilide azo colorants | Eric B. Stephens, Mary G. Mason, John W. Miley, Leonard J. Starks | 2002-11-12 |