Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612024 | Cosmetic preparations for the hair | Kurt Seidel, Reinhard Mueller, Detlef Hollenberg | 1997-03-18 |
| 4988017 | Dual chamber aerosol container | Dieter Schrader, Hans Schneider, Dietholf Mehl | 1991-01-29 |
| 4898725 | Preparations for washing or rinsing hair containing di- or tri- carboxylic acids | Horst Hoeffkes, Kurt Seidel, Alfred Struve, Bert Gruber | 1990-02-06 |
| 4820511 | Hair care and aftertreatment preparations | Horst Hoeffkes, Fritz Lange | 1989-04-11 |
| 4814101 | Zwitterionic polymers and their use in hair treatment preparations | Ludwig Schieferstein, Horst Hoeffkes, Kurt Seidel, Peter Busch | 1989-03-21 |
| 4803068 | Hair-treatment preparation for improved wet combability | Uwe Ploog, Peter Busch, Klaus Thiele, Horst Hoffkes | 1989-02-07 |
| 4795632 | Preparations for washing and rinsing hair | Horst Hoeffkes | 1989-01-03 |
| 4784801 | Hair treatment preparations | Horst Hoeffkes, Fritz Lange | 1988-11-15 |
| 4761249 | Soil-collecting cleaning enhancers in aqueous surfactant laundering and cleaning solutions | Brigitte Giesen, Horst Hoeffkes, Alfred Meffert, Andreas Syldatk, Johann F. Fues | 1988-08-02 |
| 4666712 | Cold permanent wave composition | Detlef Hollenberg, Hans-Wolfgang Cortekar, Horst Hoffkes | 1987-05-19 |
| 4496536 | Sebosuppressive cosmetic preparations containing long-chained _alkanols and antioxidants | Hinrich Moller, Siegfried Wallat, Horst Hoffkes | 1985-01-29 |