Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10874185 | Process for one-step colouring and straightening hair | Jonathan Wood | 2020-12-29 |
| 10864150 | Hair treatment process | Jonathan Wood, Robert Kussmaul | 2020-12-15 |
| 10449132 | Process for treating hair | — | 2019-10-22 |
| 10383801 | Process for semi-permanent hair straightening and aftercare of the hair | Mustafa Grit | 2019-08-20 |
| 10383805 | Composition and process for semi-permanent straightening of hair | Jonathan Wood, Jörg Schneider, Peter Bauer | 2019-08-20 |
| 10117817 | Composition and process for semi-permanent straightening of the hair | Jonathan Wood, Manfred Durr, Jörg Schneider, Peter Bauer | 2018-11-06 |
| 6692731 | Composition for the permanent shaping of human hair | Jonathan Wood | 2004-02-17 |
| 6024949 | Compositions containing chlorophyll derivatives for permanent waving of hair | — | 2000-02-15 |
| 6017519 | Composition for permanent waving of human hair | Jurgen Tennigkeit | 2000-01-25 |
| 5904919 | Composition for permanent waving of human hair | Ina Brautigam, Bernd Nöcker, Jörg Schneider | 1999-05-18 |
| 5612023 | Composition for permanent waving of human hair | Akira Kiyomine, Yoshinori Nishizawa, Bernd Nöcker | 1997-03-18 |
| 5401497 | Composition for permanent waving of human hair and use of ammonium carbamate in such compositions | Juergen Tennigkeit | 1995-03-28 |
| 5277206 | Process for permanent waving of human hair | Jurgen Tennigkeit | 1994-01-11 |
| 5068102 | Agent for the long-lasting shaping of hair | Jurgen Tennigkeit | 1991-11-26 |
| 5046515 | Permanent shaping agent for human hair and the method for the permanent shaping of human hair | Dieter Heinz, Siegfreid Kingeter, Hirotsugu Segawa, Jurgen Tennigkeit | 1991-09-10 |