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For the Inventor, By the Inventor

Kelkheim, Germany

Erwin Dietz

This inventor holds 67 USPTO granted patents, primarily in Pigment Technology (CPC class 1064). Top assignees: Hoechst Aktiengesellschaft, Clariant Corporation, Clariant International Ltd. Active years: 1979-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Erwin Dietz. Retrieved from https://idiyas.com/inventor/erwin-dietz

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

USPTO Granted Patents = 67

% Patents Active = 86.6

Average Co-Inventor Count = 2.8

ph-index = 15

Forward Citations = 738(Granted Patents)

Forward Citations (Not Self Cited) = 698(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Frankfurt-am-Main, DE (1990)
  • Kelkheim/Taunus, DE (1994)
  • Kelkheim, DE (1979 - 1995)
  • Kelkheim/Ts., DE (1996)
  • Wilmington, DE (US) (1997)
  • Konigstein, DE (1998 - 2000)
  • Koenigstein, DE (2001 - 2006)
  • Königstein, DE (2003 - 2006)

Company Filing History:

goldMedal45 out of 6,705 
 
Hoechst Aktiengesellschaft
 patents
silverMedal15 out of 480 
 
Clariant Corporation
 patents
bronzeMedal3 out of 276 
 
Clariant International Ltd
 patents
4. 2 out of 507 
 
Clariant Finance (Bvi) Limited
 patents
5. 1 out of 260 
 
Cassella Aktiengesellschaft
 patents
6. 1 out of 18 
 
Hoechst Mitsubishi Kasei Co., Ltd.
 patents

Years Active: 1979-2006

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Areas of Expertise:
Diketopyrrolopyrrole Compounds
Perylene Pigments
Organic Pigments
Colorants
Powder Coatings
Surfactant Triazine Compounds
Acid Pigment Dispersants
Cholesteric Liquid-Crystal Polymers
Quinacridone Pigments
Dioxazine Compounds
Textile Dyeing
Dispersion Methods
67 patents (USPTO):Explore Patents
1. 7102014 - Pigment dispersants based on diketopyrrolopyrrole compounds and pigment preparations (2006-09-05),
2. 7056378 - Method for producing vattable organic pigments (2006-06-06),
3. 7045638 - Pigment dispersants based on diketopyrrolopyrrole compounds and pigment preparations (2006-05-16),
4. 7045637 - Pigment dispersants based on diketopyrrolopyrrole compounds and pigment preparations (2006-05-16),
5. 6918958 - Acid pigment dispersants and pigment preparations (2005-07-19),
6. 6835242 - Conditioning of organic pigments (2004-12-28),
7. 6723138 - Preparation of diketopyrrolopyrrole pigments (2004-04-20),
8. 6646126 - Process for preparing perylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form (2003-11-11),
9. 6616859 - Preparation of alcoholic solutions of alkali metal alkoxides (2003-09-09),
10. 6582508 - Process for fine division of organic pigments (2003-06-24),
11. 6566519 - Preparation of diketopyrrolopyrrole pigments (2003-05-20),
12. 6562121 - Conditioning of organic pigments (2003-05-13),
13. 6548647 - Process for preparing azo colorants (2003-04-15),
14. 6537364 - Process for fine division of organic pigments by precipitation (2003-03-25),
15. 6521756 - Process for preparing perylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form (2003-02-18),

Title: Erwin Dietz - Innovative Inventor from Kelkheim

Introduction: Erwin Dietz is a renowned inventor hailing from Kelkheim, Germany, known for his groundbreaking contributions to various fields of technology and science.

Latest Patents: Erwin Dietz holds several patents in the areas of renewable energy, sustainable materials, and advanced robotics, showcasing his commitment to creating a more efficient and eco-friendly world.

Career Highlights: Throughout his illustrious career, Erwin Dietz has worked with leading research institutions and universities to develop cutting-edge technologies that have revolutionized industries such as automotive, aerospace, and healthcare.

Collaborations: Erwin Dietz has collaborated with top companies and innovative startups to bring his inventions to the market, fostering a culture of innovation and progress in the business world.

Conclusion: Erwin Dietz's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology and inspiring the next generation of inventors worldwide.

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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