Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12329839 | Active substance composition for protecting artificially coloured hair | Rene Krohn | 2025-06-17 |
| 12243643 | Determining external hair damage | Hans Georg Knuebel | 2025-03-04 |
| 11931440 | Two-component hair care agent, method for the production of a cosmetic agent and use of the two-component hair care agent | Rene Krohn | 2024-03-19 |
| 11857332 | Determination of a degree of elongation of hair using a NIR sensor | Hans Georg Knuebel, Lucile Bonnin, Astrid Kroos, Annika Koenen | 2024-01-02 |
| 11304890 | Conditioning hair treatment product with washout protection | Volker Scheunemann, Rene Krohn | 2022-04-19 |
| 11213476 | Method for gentle, chemical hair treatment | — | 2022-01-04 |
| 11123275 | High-performance hair treatment agents with increased care effect | Monika Nebel | 2021-09-21 |
| 10959926 | Hair treatment agent with a polyvalent metal cation I | Rene Krohn | 2021-03-30 |
| 10857081 | Stable color-protecting hair treatment agent comprising lanthanide salt | Rene Krohn | 2020-12-08 |
| 10780038 | Hair treatment agent containing at least one acid protein and at least one salt | Rene Krohn | 2020-09-22 |
| 10653599 | Hair treatment agent with a polyvalent cation II | Rene Krohn | 2020-05-19 |
| 10420717 | Bunte salts from amino acids and oligopeptides as protective ingredients in hair treatment means | Georg Knuebel, Thomas Foerster | 2019-09-24 |
| 10383812 | Hair treatment agents | Volker Scheunemann | 2019-08-20 |
| 10137068 | Method for maintaining the color of dyed and/or highlighted keratin fibres | Rene Krohn | 2018-11-27 |
| 9421160 | Method for chemical smoothing of human hairs | Stephan Schwartz, Birgit Rautenberg-Groth | 2016-08-23 |
| 9066892 | Hair treatment agents containing 4-morpholino-methyl-substituted silicone(s) and thickening agent(s) | — | 2015-06-30 |
| 8999939 | Hair treatment agents having low-dose oligopeptides | Petra Westphal, Elisabeth Poppe | 2015-04-07 |
| 8900329 | Pretreatment agents for keratin fibers comprising 4-morpholino-methyl-substituted silicone(s) | Monika Nebel | 2014-12-02 |
| 8900561 | Hair treatment agents containing 4-morpholino-methyl-substituted silicone(s) and conditioning agent(s) | — | 2014-12-02 |
| 8894984 | Hair treatment agent comprising 4-morpholino-methyl-substituted silicone(s) | Markus Semrau | 2014-11-25 |
| 8814952 | Gentle hair dye | Matthias Schweinsberg, Jisook Baek, Astrid Kleen, Antje Gebert, Monika Nebel | 2014-08-26 |
| 8808674 | Hair treatment agents comprising surfactant(s) and proteolipid(s) | Monika Noll, Elisabeth Poppe | 2014-08-19 |
| 8790417 | Gentle hair color pretreatment with silicone and oily oxidants | Matthias Schweinsberg, Jisook Baek, Astrid Kleen | 2014-07-29 |
| 8784507 | Post oxidative hair treatment agent with silicone | Matthias Schweinsberg, Jisook Baek, Astrid Kleen, Antje Gebert, Monika Nebel | 2014-07-22 |
| 8778032 | Gentle oxidation hair color with medium oxidan composition | Matthias Schweinsberg, Jisook Baek, Astrid Kleen | 2014-07-15 |