Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017519 | Composition for permanent waving of human hair | Burkhard Rose | 2000-01-25 |
| 5431698 | Process for oxidative dyeing and re-dyeing of human hair | Heribert Lorenz, Guenter Much | 1995-07-11 |
| 5318599 | Hair dye composition | Heribert Lorenz, Frank Kufner | 1994-06-07 |
| 5277206 | Process for permanent waving of human hair | Burkhard Rose | 1994-01-11 |
| 5176716 | Hair dye composition and its application method | Heribert Lorenz, Frank Kufner | 1993-01-05 |
| 5068102 | Agent for the long-lasting shaping of hair | Burkhard Rose | 1991-11-26 |
| 5053051 | Means and method for the oxidative dyeing, especially the redyeing, of living hair: micro-encapsulated acid | Herbert Lorenz, Hirotsugu Segawa | 1991-10-01 |
| 5046515 | Permanent shaping agent for human hair and the method for the permanent shaping of human hair | Dieter Heinz, Siegfreid Kingeter, Burkhard Rose, Hirotsugu Segawa | 1991-09-10 |
| 5006127 | Agent for the oxidative dyeing of hair, method for the preparation of the agent and use of the agent | Herbert Lorenz | 1991-04-09 |
| 4992077 | Agent for the oxidative dyeing of hair, method for the preparation of the agent and use of the agent | Herbert Lorenz | 1991-02-12 |
| 4776856 | Process and means for oxidized dyeing of hair using a manganese dioxide catalyst | Herbert Lorenz | 1988-10-11 |
| 4294293 | Method of mixing cosmetic multi-component preparations and set of apparatus for the practice of the method | Heribert Lorenz | 1981-10-13 |