Company Filing History:

29 out of 2,080

Henkel Kommanditgesellschaft Auf Aktien

patents

4 out of 180

Henkel Kommanditgesellschaft Auf Aktien (Henkel Kgaa)

Years Active: 1978-2004

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34 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6719811 - Oxidation colorants for keratin fibers (2004-04-13),

2. 5685881 - Aromatic allylaminonitro compounds, hair dye compositions containing (1997-11-11),

3. 5246466 - Oxidation dyes (1993-09-21),

4. 5104412 - Hair dyeing compositions (1992-04-14),

5. 5089025 - Hair dye compositions and certain 1,2,3,4-tetrahydronitroquinoxalines (1992-02-18),

6. 4994087 - Compounds containing substituted phenylamino and pyridyl groups and hair (1991-02-19),

7. 4976742 - META-aminophenols useful as oxidation hair dye couplers (1990-12-11),

8. 4900327 - Preparations containing substantive nitrodiphenylamine derivative hair (1990-02-13),

9. 4900325 - Hair-dyeing preparations (1990-02-13),

10. 4859206 - Hair dye preparations containing nitrodiphenylamine derivative (1989-08-22),

11. 4842612 - Aminophenyl alkylenediamines useful in oxidation hair dyes (1989-06-27),

12. 4838893 - Oxidation hair dyes comprising substituted dihydroxypyridines as (1989-06-13),

13. 4832697 - Hair dye preparations containing substantive nitrodiphenylamine (1989-05-23),

14. 4828568 - Oxidation hair-dyeing preparations (1989-05-09),

15. 4756716 - Preparations containing substantive nitrodiphenylamine derivative hair (1988-07-12),

Title: The Innovative Contributions of Edgar Lieske in the Field of Hair Coloring

Introduction: Edgar Lieske, based in Duesseldorf, Germany, is a prominent inventor with an impressive portfolio comprising 34 patents. His work has significantly influenced the hair care industry, particularly in the development of hair dye compositions.

Latest Patents: Among his notable achievements, Lieske's latest patents include innovative oxidation colorants for keratin fibers, specifically focusing on aromatic allylaminonitro compounds. These advancements represent a significant leap in the formulation of effective and safe hair color products.

Career Highlights: Lieske has made remarkable contributions during his tenure at well-respected organizations. He has worked with Henkel Kommanditgesellschaft Auf Aktien, gaining invaluable experience in product development and research. His role in this leading company is a testament to his expertise and dedication to innovation in hair care solutions.

Collaborations: Throughout his career, Lieske has collaborated with talented individuals in his field, including notable coworkers like David Rose and Norbert Maak. These partnerships have undoubtedly enriched his work and fostered an environment of creativity and progress in developing advanced hair dye technologies.

Conclusion: Edgar Lieske's contributions to the hair care sector demonstrate his commitment to innovation. With a strong patent portfolio and collaboration with industry professionals, he continues to drive advancements that enhance the quality and efficacy of hair dye products. His work reflects the spirit of modern invention, paving the way for future breakthroughs in the field.

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