Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984268 | Method for removing polymer films in the manufacture of aqueous compositions containing anionic amphiphilic polymers | — | 2006-01-10 |
| 6936113 | Method for removing polymer films in the manufacture of aqueous compositions containing acrylates copolymer | — | 2005-08-30 |
| 6565615 | Dye compositions | Michael Wong | 2003-05-20 |
| 6156076 | Two-part hair dye compositions containing polyether polyurethanes and conditioning agents | Stephen Casperson, Bryan Patrick Murphy, Zubaida Khan | 2000-12-05 |
| 5393305 | Two-part aqueous composition for coloring hair, which forms a gel on mixing of the two parts | David Cohen, Elizabeth Hitchcock | 1995-02-28 |
| 5376146 | Two-part aqueous composition for coloring hair, which forms a gel on mixing of the two parts | Steve Casperson, Michael Wong | 1994-12-27 |
| RE33786 | Hair dyeing process and composition | Michael Hnatchenko | 1992-01-07 |
| 4776855 | Hair dyeing process and composition | Michael Hnatchenko | 1988-10-11 |
| 4532127 | Composition for lightening or coloring hair containing an oxidizing agent and certain quaternary amines | Raymond Feinland, Michael Hnatchenko | 1985-07-30 |
| 4507280 | Hair conditioning composition and method for use | Michael Hnatchenko, Raymond Feinland | 1985-03-26 |
| 4402700 | Composition for coloring hair containing an oxidizing agent and certain quaternary amines | Raymond Feinland, Michael Hnatchenko | 1983-09-06 |