Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951718 | Hair coloring compositions containing a sulfo-containing water dispersible colored polymer and an emulsifier | James J. Krutak, Dante J. Rutstrom, Mario L. Garcia | 1999-09-14 |
| 5876463 | Compositions for coloring keratinous fibers comprising sulfo-containing, water dispersible colored polymers | Mario L. Garcia, James J. Krutak, Dante J. Rutstrom | 1999-03-02 |
| 5746779 | Quaternized blue anthraqinone hair dyes in an isatin/amine dye system | — | 1998-05-05 |
| 5735907 | Method of coloring hair with sulfo-containing water dispersible colored polymers | James J. Krutak, Dante J. Rutstrom, Mario L. Garcia | 1998-04-07 |
| 5516916 | Process for preparing dye compositions containing 5,6-dihydroxyindole | Bryan Patrick Murphy, Thomas M. Schultz, Alice A. Meyer | 1996-05-14 |
| 5492541 | Dye compositions containing 5,6-dihydroxy indoles and a foam generator | Bryan Patrick Murphy, Thomas M. Schultz, Alice A. Meyer | 1996-02-20 |
| 5346509 | Process for dyeing hair by the sequential treatment of hair with metal ion-containing composition and with a dye composition containing 5,6-dihydroxyindole-2-carboxylic acid and certain derivatives thereof | Thomas M. Schultz, Leszek J. Wolfram, Giuseppe Prota | 1994-09-13 |
| 5173085 | Hair dyeing process and compositons package | Bryan Patrick Murphy, Leszek J. Wolfram | 1992-12-22 |
| 5042987 | Method for reducing scalp staining in hair dyeing processes involving a metal ion pretreatment step | — | 1991-08-27 |
| 5032138 | Chlorites as oxidants in hair coloring | Leszek J. Wolfram, Thomas M. Schultz, Alice Mayer | 1991-07-16 |
| 4911731 | Process and composition for dyeing hair utilizing an anionic polymeric/cationic polymer complex | Norman P. Loveless, Leszek J. Wolfram | 1990-03-27 |
| 4904274 | Coloring hair with aminoalkyl-or aminohydroxyalkyl-catechols | Thomas M. Schultz, Leszek J. Wolfram, Giuseppe Prota | 1990-02-27 |
| H726 | 2,4-bis-aryloxy-m-phenylenediamines and their use as couplers in | James E. Kijek | 1990-01-02 |
| 4838894 | Hair dye coupler and process for making | James E. Kijek, Bryan Patrick Murphy | 1989-06-13 |
| 4566876 | Meta-phenylenediamine coupler compounds and oxidative hair dye compositions and methods using same | John F. Corbett | 1986-01-28 |
| 4559057 | Process and composition for coloring hair with pigments | Herman Bogaty, Norman P. Loveless, Leszek J. Wolfram | 1985-12-17 |