Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336318 | Synthetic insertion of clear codes during video program changes | Steven M. Bolduc | 2008-02-26 |
| 7074244 | Hair dyeing method including an aligning step | Padmaja Prem, Katherine Jacobs-Dube, John Brian Bartolone | 2006-07-11 |
| 7066968 | Efficient two-step method of coloring and lightening hair with less damage | Stella Arcella, John Brian Bartolone, Allan Robert Burger | 2006-06-27 |
| 7060111 | Method for providing more vibrant, natural and long-lasting color to hair | Padmaja Prem, John Brian Bartolone | 2006-06-13 |
| 7041142 | Two step hair coloring compositions delivering deeper, long-lasting color | Stella Arcella, John Brian Bartolone | 2006-05-09 |
| 6758866 | Enhanced color deposition for hair with sequestering agents | Jiang Yang, John Brian Bartolone, Gabriela Wis-Surel | 2004-07-06 |
| 6743264 | Two step permanent coloring of hair | Padmaja Sarojini, John Brian Bartolone | 2004-06-01 |
| 6599330 | Method for coloring hair with removable hair color | Minmin Tian, Geoffrey Hawkins | 2003-07-29 |
| 6596035 | One step method and compositions for simultaneously coloring and highlighting hair | Glen Alan Gutkowski, Shailendra Singh | 2003-07-22 |
| 6315989 | Water in oil microemulsion peroxide compositions for use in coloring hair and related methods | Saroja Narasimhan, Dalal Ibrahim Duffer, Geoffrey Hawkins | 2001-11-13 |
| 6306182 | Polymeric dye compounds and compositions and methods for coloring hair | Geoffrey Hawkins, Alexander Lukacs, III | 2001-10-23 |
| 6238653 | Liquid crystalline peroxide compositions and methods for coloring and/or bleaching hair | Saroja Narasimhan, Dalal Ibrahim Duffer, Geoffrey Hawkins | 2001-05-29 |
| 6143286 | Method for improving the fade resistance of hair and related compositions | Malti Bhambhani, Geoffrey Hawkins | 2000-11-07 |
| 5651960 | Method and composition for removing semi-permanent color from human hair | Fe Pascual | 1997-07-29 |
| 5540738 | Oxidative hair coloring composition and process for dyeing human keratinous fibers | David Chang, Yuh-Guo Pan | 1996-07-30 |
| 5486629 | Direct dyes having a quaternary center with a long aliphatic chain | Yuh-Guo Pan | 1996-01-23 |
| 5474578 | Erasable hair dyeing process | Alice Mayer, Jia-Shen Wang, Gottfried Wenke, Mu-Ill Lim | 1995-12-12 |
| 5420362 | Synthesis of 2-methyl-1-naphthol | Mu-Ill Lim, Linas R. Stasaitis, Yuo-Guo Pan | 1995-05-30 |
| 5368610 | Use of metal salts and chelates together with chlorites as oxidants in hair coloring | Gottfried Wenke, Ciuseppe Prota | 1994-11-29 |
| 5360930 | Direct dyes having a quaternary center with a long aliphatic chain | Yuh-Guo Pan | 1994-11-01 |
| 5344463 | Hair dye compositions and methods utilizing 2-substituted-1-naphthol couplers | Yuh-Guo Pan, Mu-Ill Lim, Richard DeMarco | 1994-09-06 |
| 5314505 | Aminoan thraquinone dyes having a quaternary center with a long aliphatic chain | Yuh-Guo Pan | 1994-05-24 |
| 5298029 | Nitrophenylenediamine dyes having a quaternary center with a long aliphatic chain | Yuh-Guo Pan | 1994-03-29 |
| 5256823 | Quarternized monoalkylenediamine nitrobenzene compounds and their use as dyes for keratinaceous fibers | Yuh-Guo Pan | 1993-10-26 |
| 5199955 | M-phenylenediamine coupler and oxidative dye compositions containing same | Yuh-Guo Pan, Mu-Ill Lim | 1993-04-06 |