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For the Inventor, By the Inventor

Darmstadt, Germany

Udo Bergmann

This inventor holds 25 USPTO granted patents, primarily in Dye Chemistry. Top assignee: Basf Aktiengesellschaft. Active years: 1983-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Udo Bergmann. Retrieved from https://idiyas.com/inventor/udo-bergmann

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

Calculating rank
USPTO Granted Patents = 25

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 74(Granted Patents)


Location History:

  • Darmstadt, DE (1983 - 1991)
  • Bensheim, DE (1993 - 1996)

Company Filing History:

goldMedal25 out of 10,816 
 
Basf Aktiengesellschaft
 patents

Years Active: 1983-1996

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Areas of Expertise:
Chlorinated Violanthrones
Indigo Purification
Polycyclic Vat Dyes
Anthraquinone Compounds
Azo Dyes
Isothiazolylazo Dyes
Metal Complexes
Disazo Compounds
Navy Dye Mixtures
Heterocyclic Azo Dyes
Fluorotriazine Dyes
3D Dye Chemistry
25 patents (USPTO):Explore Patents
1. 5554774 - Preparation of chlorinated violanthrones or isoviolanthrones (1996-09-10),
2. 5536842 - Purification of indigo (1996-07-16),
3. 5534627 - Polycyclic vat dyes (1996-07-09),
4. 5525743 - Preparation of anthraquinone imide compounds (1996-06-11),
5. 5424453 - Purification of indigo (1995-06-13),
6. 5386042 - Preparation of 1,4-diaminoanthraquinone-2,3-disulfonic acid and (1995-01-31),
7. 5380871 - Preparation of halogenated indigo (1995-01-10),
8. 5245058 - Preparation of 1-nitroanthraquinone-2-carboxylic acids (1993-09-14),
9. 5003049 - Dyes containing fluorotriazine and dichloropyridazone groups (1991-03-26),
10. 4960874 - Isothiazolylazo dyes having aminophenyl and aminonaphthyl components (1990-10-02),
11. 4820809 - Heterocyclic azo dyes (1989-04-11),
12. 4764600 - Isothiazolylazo dyes having aminophenyl and aminonaphthyl components (1988-08-16),
13. 4751288 - Azo dyes containing 2-amino-3-cyano-5-formylthiophene derivatives as (1988-06-14),
14. 4668775 - .alpha.-methine substituted thiophene monoazo dye (1987-05-26),
15. 4638055 - Iron, copper and chromium complexes of disazo dyes (1987-01-20),

Title: Udo Bergmann: Innovator in Chemical Patents from Darmstadt

Introduction

Udo Bergmann is a prolific inventor based in Darmstadt, Germany, known for his remarkable contributions to the field of chemistry. With a significant portfolio comprising 25 patents, his work primarily focuses on advancements in chemical preparations and purification processes.

Latest Patents

Among his recent innovations, Bergmann has developed a method for the preparation of chlorinated violanthrones or isoviolanthrones. This process involves the reaction of violanthrone or isoviolanthrone with chlorine in the presence of a suitable diluent, specifically using aliphatic carboxylic and/or aliphatic halo carboxylic acids. Bergmann's other notable patent addresses the purification of indigo. This ingenious process entails extracting an aqueous leuco indigo alkali metal salt solution using an inert solvent under oxygen-excluding conditions, followed by the conventional regeneration of indigo through oxidation.

Career Highlights

Udo Bergmann has established his career at BASF Aktiengesellschaft, a leading company in the chemical industry. His innovative approaches and expertise have contributed to the development of new materials and processes that push the boundaries of current technologies in chemistry.

Collaborations

Throughout his career, Bergmann has collaborated with esteemed colleagues including Guenter Hansen and Helmut Degen. These collaborations have fostered an environment of creativity and innovation, driving forward the advancement of their collective research and development initiatives.

Conclusion

Udo Bergmann's continued efforts in the field of chemical inventions and patents highlight his status as a key innovator. His contributions not only enhance BASF's product offerings but also pave the way for new applications in the chemical industry, showcasing the valuable role of inventors in driving progress.

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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