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For the Inventor, By the Inventor

Düsseldorf, Germany

Dieter Schrader

This inventor holds 7 USPTO granted patents. Top assignee: Henkel Ag & Company, Kgaa. Active years: 1987-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dieter Schrader. Retrieved from https://idiyas.com/inventor/dieter-schrader

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 125(Granted Patents)


Company Filing History:

goldMedal7 out of 4,541 
 
Henkel Ag & Company, Kgaa
 patents

Years Active: 1987-2000

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7 patents (USPTO):Explore Patents
1. 6090161 - Colorants for keratin fibers comprising a 5,6-dihydroxyindoline (2000-07-18),
2. 5114428 - Hair dye preparation (1992-05-19),
3. 5089257 - Preparation for the simultaneous coloring, washing, and conditioning of (1992-02-18),
4. 4988017 - Dual chamber aerosol container (1991-01-29),
5. 4927627 - Emulsion-form hydrogen peroxide preparations for the bleaching and (1990-05-22),
6. 4784667 - Oxidation hair dyes comprising diamino-substituted pyridines and (1988-11-15),
7. 4698065 - Liquid oxidation hair dye with phase stabilizer (1987-10-06),

Title: Dieter Schrader: Innovator in Hair Color Technology

Introduction

Dieter Schrader is a prominent inventor based in Duesseldorf, Germany. He has made significant contributions to the field of hair color technology, holding a total of 7 patents. His work focuses on developing innovative colorants for keratin fibers, which have applications in the cosmetic industry.

Latest Patents

Among his latest patents, Dieter has developed colorants for keratin fibers that include a 5,6-dihydroxyindoline. These oxidation colorants contain at least one secondary intermediate and at least one derivative of 5,6-dihydroxyindoline, corresponding to a specific chemical formula. This innovation enhances the effectiveness and safety of hair dye preparations.

Career Highlights

Dieter Schrader is associated with Henkel Kommanditgesellschaft Auf Aktien, a leading company in the consumer goods sector. His work at Henkel has allowed him to push the boundaries of hair dye technology, contributing to the development of products that meet consumer needs for quality and performance.

Collaborations

Throughout his career, Dieter has collaborated with notable colleagues, including Horst Hoeffkes and Peter Flemming. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Dieter Schrader's contributions to hair color technology exemplify the impact of innovation in the cosmetic industry. His patents and collaborations continue to shape the future of hair dye products, ensuring that they remain effective and safe for consumers.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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