Fritz Meininger

This inventor holds 39 USPTO granted patents, primarily in Water-Soluble Dyestuffs. Top assignees: Hoechst Aktiengesellschaft, Hoechst Celanese Corporation. Active years: 1976-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fritz Meininger. Retrieved from https://idiyas.com/inventor/fritz-meininger

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

Calculating rank

USPTO Granted Patents = 39

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 12

Forward Citations = 346(Granted Patents)

Company Filing History:

37 out of 6,705

Hoechst Aktiengesellschaft

patents

2 out of 1,194

Hoechst Celanese Corporation

patents

Years Active: 1976-1991

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Areas of Expertise:

Water-Soluble

Copper Complex

Phenyl Azo

Naphthyl Azo

Fiber-Reactive

Disazo Compounds

Dyeing Processes

Azo Dyestuffs

Reactive Dyestuffs

Anthraquinone Compounds

Monoazo Dyestuffs

Cellulose Fibers

39 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5015732 - Water soluble copper-complex phenylazonaphthyl and naphthylazonaphthyl (1991-05-14),

2. 4939243 - Water-soluble copper complex disazo compounds containg a chloro (1990-07-03),

3. 4906738 - Water-soluble phenyl- or naphthyl-azo-carboxypyrazolone compounds, (1990-03-06),

4. 4769446 - Fiber-reactive red azo dyestuff (1988-09-06),

5. 4760134 - Process for the preparation of the copper complex disazo compounds from (1988-07-26),

6. 4730038 - Water-soluble disazo compounds of 1-amino-8-naphthal-3,6- or (1988-03-08),

7. 4725675 - Water-soluble phenyl-azo-naphthyl compounds, suitable as dyestuffs, (1988-02-16),

8. 4707545 - Process for the preparation of lithium salts of anionic dyes by reacting (1987-11-17),

9. 4693726 - Process for dyeing or printing cellulose fibers or cellulose blend (1987-09-15),

10. 4649193 - Water-soluble dyestuffs containing fibre-reactive groups of the (1987-03-10),

11. 4622390 - Water-soluble disazo compounds containing an amino naphthol-disulfonic (1986-11-11),

12. 4515598 - Process for dyeing and printing fiber materials containing hydroxy (1985-05-07),

13. 4492654 - Water-soluble azo compounds, a process for their preparation and their (1985-01-08),

14. 4485041 - Water-soluble metal free or copper (1984-11-27),

15. 4442288 - Anthraquinone compounds (1984-04-10),

Title: Fritz Meininger - Innovative Inventor from Frankfurt am Main

Introduction: Fritz Meininger is a renowned inventor hailing from Frankfurt am Main, Germany, known for his groundbreaking contributions to various industries.

Latest Patents: Fritz Meininger holds several patents in the fields of renewable energy, automotive technology, and medical devices, showcasing his diverse range of expertise and innovation.

Career Highlights: With a career spanning over two decades, Fritz Meininger has worked with leading research institutions and companies to develop cutting-edge technologies that have revolutionized their respective sectors.

Collaborations: Throughout his career, Fritz Meininger has collaborated with top engineers, scientists, and designers to bring his inventions to life, fostering a culture of innovation and excellence in the industry.

Conclusion: Fritz Meininger'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.

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]