Heinz Eilingsfeld

This inventor holds 40 USPTO granted patents, primarily in Dye Chemistry. Top assignees: Basf Aktiengesellschaft, Badische Anilin- & Soda-Fabrik Aktiengesellschaft. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Heinz Eilingsfeld. Retrieved from https://idiyas.com/inventor/heinz-eilingsfeld

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

Calculating rank

USPTO Granted Patents = 40

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 8

Forward Citations = 193(Granted Patents)

Company Filing History:

38 out of 10,816

Basf Aktiengesellschaft

patents

2 out of 88

Badische Anilin- & Soda-Fabrik Aktiengesellschaft

patents

Years Active: 1976-1993

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Areas of Expertise:

Azo Dyes

Thiophene Derivatives

Electrophotographic Materials

Reactive Dyes

Thiazole Series

Dinitroanthraquinone

Phenylhydrazones

Sulfonic Acids

Anthraquinones

Charge Materials

Dioxazolone Polymers

40 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5206375 - Thiophene derivatives (1993-04-27),

2. 5145952 - Thiopheneazo dyes with a coupling component based on M-phenylenediamine (1992-09-08),

3. 5082973 - Process for the preparation of bis(4-chlorophenyl) sulfone (1992-01-21),

4. 5072034 - Preparation of 4-alkoxy-2-hydroxybenzophenone-5-sulfonic acids (1991-12-10),

5. 5006659 - Preparation of 7-chloroquinoline-8-carboxylic acids (1991-04-09),

6. 4983773 - Preparation of bis-(4-chlorophenyl) sulfone (1991-01-08),

7. 4897469 - Aniline series azo reactive dyes ortho- or para-substituted by vinyl (1990-01-30),

8. 4873372 - Isolation of 4,4'-dichlorodiphenyl sulfone (1989-10-10),

9. 4843153 - Azo dyes containing thienothiophene radicals as radicals of the diazo (1989-06-27),

10. 4785116 - Aminoisothiazole compounds (1988-11-15),

11. 4677199 - Reactive dyes containing substituted 4-fluoropyridaz-6-one radicals (1987-06-30),

12. 4533612 - Electrophotographic recording materials containing special charge (1985-08-06),

13. 4490541 - 5(3)-Aminopyrazolo-3,4(4,5)-dicarboximide azo dyestuff intermediates (1984-12-25),

14. 4483795 - Substituted phenyl disazo dyes containing a 2-amino-substituted thiazole (1984-11-20),

15. 4481272 - Layered electrophotographic recording medium comprising heterocyclic (1984-11-06),

Title: Heinz Eilingsfeld: A Pioneer in Thiophene Derivatives

Introduction

Heinz Eilingsfeld, based in Frankenthal, Germany, is a notable inventor with a remarkable portfolio of 40 patents. His innovative contributions primarily focus on thiophene derivatives and dyes, showcasing his significant impact in the chemical industry.

Latest Patents

Eilingsfeld's latest inventions include novel compounds categorized under thiophene derivatives. One of his key patents describes a compound of the general formula I where various substituents such as fluorine, bromine, and hydroxyl groups play a crucial role. These compounds are recognized for their utility as diazo and coupling components or intermediates for dyes. Another noteworthy innovation includes thiopheneazo dyes that incorporate a coupling component based on M-phenylenediamine, demonstrating his expertise in dye chemistry.

Career Highlights

Throughout his career, Heinz Eilingsfeld has made significant strides in the field while working with prominent companies such as BASF Aktiengesellschaft and Badische Anilin- & Soda-fabrik Aktiengesellschaft. His work has greatly contributed to advancements in dye manufacturing and chemical processes in these leading organizations.

Collaborations

Eilingsfeld collaborated with notable colleagues including Guenther Seybold and Karl-Heinz Etzbach. These partnerships have fostered innovation and propelled the development of various significant chemical processes and products.

Conclusion

Heinz Eilingsfeld's contributions to the field of chemical inventions, particularly in thiophene derivatives and dyes, have solidified his reputation as an influential inventor. His career highlights and collaborative efforts with esteemed companies and colleagues demonstrate his enduring legacy within the industry.

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]