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Darmstadt, Germany

Udo Bergmann

USPTO Granted Patents = 25

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 10,754 
 
Basf Aktiengesellschaft
 patents

Years Active: 1983-1996

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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.

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