| Patent Number | Patent Title |
|---|---|
| 6,423,839 | Mixed color pigment precursors and their use |
| 6,419,902 | Color changing toothpaste |
| 6,417,253 | Color stable compositions containing arylate-comprising polymers |
| 6,361,593 | Lustrous interference pigments with black absorption color |
| 6,325,847 | Precious metal color effect materials and production thereof |
| 6,322,901 | Highly luminescent color-selective nano-crystalline materials |
| 6,290,766 | Lustrous interference pigments with black absorption color |
| 6,243,204 | Color shifting thin film pigments |
| 6,235,273 | Washable non-toxic body paint for applying color to human skin |
| 6,231,901 | Frozen dessert novelty which changes color |
| |
| 6,221,462 | Multi-colored pattern floor covering |
| 6,187,429 | Decorative ceramic color layers applied to glass or glass ceramic substrates |
| 6,126,447 | Color-assonant phonetics system |
| 6,120,821 | Method for preparing color changing food |
| 6,093,401 | Natural color concentrates and antimicrobial nutraceutial from plants |
| 6,063,551 | Mutable dye composition and method of developing a color |
| 6,040,288 | Fabric color protection compositions and methods |
| 5,997,627 | Pigment composition and effect coatings |
| 5,993,880 | Non-staining, acid-stable, cold-water-soluble, edible green color and compositions for preparing acidic foods and beverages |
| 4,957,898 | Mixture of yellow and magenta dyes to form a red hue for color filter array element |
| 4,383,865 | Soft textured high strength alkali blue pigment |