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Torsten Lechner

This inventor holds 64 USPTO granted patents and 66 published patent applications and 42 EPO patents, primarily in Hair Treatment Technology (CPC class A61K). Top assignees: Henkel Ag & Company, Kgaa, Henkel IP Holding Gmbh. Active years: 2019-2026.

USPTO Granted Patents = 64 (Patent Applications = 66)

% Patents Active = 90.6

EPO Patents = 42 (Patent Applications = 104)

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 42(Granted Patents)

Forward Citations (Not Self Cited) = 27(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Düsseldorf, DE (2019)
Langenfeld, DE (2019 - 2024)

Company Filing History:

63 out of 4,532

Henkel Ag & Company, Kgaa

patents

1 out of 396

Henkel IP Holding Gmbh

patents

Years Active: 2019-2026

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Areas of Expertise:

Keratinous Material

Organosilicon Compound

Effect Pigment

Film-Forming Polymer

Hair Dye Composition

Silicone Polymer

Thermal Damage

Coloring Compound

Self-Heating Agents

Hydrogen Peroxide

Post-Treatment Agent

64 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12734123 - Method for dyeing keratinous material, comprising the use of an organosilicon compound, a colored effect pigment and a film-forming polymer IV (2026-09-15),

2. 12697292 - Method for treating human hair with agents containing mixtures of organic C-Calkoxy siloxanes (2026-08-04),

3. 12691049 - Process for producing hair treatment products by mixing organic C-C-alkoxysilanes and alkalizing agents in specific molar ratios (2026-07-28),

4. 12576020 - Increasing the stability of agents for the treatment of keratinous material (2026-03-17),

5. 12551426 - Method for treating hair, comprising the application of a first agent (a) having a silane and a chromophoric compound, and a second agent (b) having a film-forming polymer (2026-02-17),

6. 12377034 - Method for dyeing keratinous material, comprising the use of an organosilicon compound, an effect pigment and a film-forming polymer II (2025-08-05),

7. 12357554 - Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent VI (2025-07-15),

8. 12329840 - Agent for dyeing keratin material, containing at least two organosilicon compounds that are different from each other, at least one pigment and at least one liquid fatty component and/or a solvent (2025-06-17),

9. 12296036 - Method for dyeing keratinous material, including the application of an organosilicon compound, a dyeing compound, a sealing reagent and an alkaline pre-treatment agent (2025-05-13),

10. 12233147 - Method for treating keratin material (2025-02-25),

11. 12220470 - Pigment suspension and cosmetic agent prepared using the pigment suspension (2025-02-11),

12. 12201712 - Method for dyeing keratinous material, comprising the use of an organosilicon compound, a phosphoric acid ester and a dyeing compound (2025-01-21),

13. 12090222 - Method for dyeing keratin material, comprising the use of an organosilicon compound, two dyeing compounds and a post-treatment agent (2024-09-17),

14. 11992546 - Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent vi (2024-05-28),

15. 11957771 - Method for dyeing keratinous material, comprising the use of an organosilicon compound, a coated effect pigment and a sealing reagent I (2024-04-16),

Title: Torsten Lechner: Innovator in Keratin Treatment Technologies

Introduction

Torsten Lechner, an accomplished inventor based in Langenfeld, Germany, boasts an impressive portfolio of 55 patents. His work primarily focuses on innovative solutions for treating keratinous materials, particularly human hair. Lechner's contributions to the field have enhanced the effectiveness and quality of cosmetic products.

Latest Patents

Among his latest patents is a groundbreaking method for treating keratin material. This method involves applying a pigment suspension and a cosmetic agent specifically formulated for keratinous material, such as human hair. The disclosure provides a detailed description of a pigment suspension that comprises at least one coloring compound, including pigments, a phosphoric ester, and water. This innovative approach not only optimizes the cosmetic application but also enhances the overall aesthetics of hair treatments.

Career Highlights

Throughout his career, Torsten Lechner has worked with prominent companies, including Henkel AG & Company, KGaA and Henkel IP & Holding GmbH. His expertise in product development and patent innovation has made significant impacts within these organizations, allowing for advanced research and development in cosmetic applications.

Collaborations

Lechner has collaborated with esteemed coworkers such as Marc Nowottny and Juergen Schoepgens. These collaborations have facilitated the exchange of ideas and expertise, fostering a creative environment that has led to the completion of successful projects and patents.

Conclusion

Torsten Lechner's dedication to innovation in the field of keratin treatment is evident through his extensive patent portfolio and collaborative efforts. His latest advancements promise to enhance the beauty and care industry further, ensuring that consumers benefit from high-quality products tailored to their needs. With a strong foundation in research and development, Lechner continues to shape the future of cosmetic technologies.

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