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For the Inventor, By the Inventor

Wachenheim, Germany

Hans Baumann

USPTO Granted Patents = 22

Average Co-Inventor Count = 1.7

ph-index = 6

Forward Citations = 109(Granted Patents)


Location History:

  • Ludwigshafen, DE (1976 - 1978)
  • Wachenheim, DE (1978 - 1985)

Company Filing History:

goldMedal22 out of 10,754 
 
Basf Aktiengesellschaft
 patents

Years Active: 1976-1985

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22 patents (USPTO):Explore Patents
1. 4560744 - Azo dye 2:1-chromium complexes (1985-12-24),
2. 4544738 - Reactive pyrazole group containing monoazo dye (1985-10-01),
3. 4537955 - Unsymmetrical 1:2 chromium complex of a monoazo dyestuff and a disazo (1985-08-27),
4. 4511506 - Reactive bis-triazinyl stilbene dyes (1985-04-16),
5. 4489002 - Azo compound and an azomethine compound and having a tertiary N-dative (1984-12-18),
6. 4431584 - Triazinyl reactive dyes containing a 1-naphtol-4,8-disulfonic acid (1984-02-14),
7. 4424153 - 1:2 Chromium complex dyes containing sulfonic acid groups (1984-01-03),
8. 4345073 - 7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes (1982-08-17),
9. 4316027 - 7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes (1982-02-16),
10. 4280955 - Sulfo, chloro phenolazoacetoacetylbenzamide dyes (1981-07-28),
11. 4264494 - Chromium complex dyestuffs for natural polyamides and synthetic nylons (1981-04-28),
12. 4212801 - Unsymmetrical 1:2-chromium complexes containing an azo and an azomethine (1980-07-15),
13. 4161589 - Spirodipyrans (1979-07-17),
14. 4147509 - Pressure-sensitive recording material (1979-04-03),
15. 4119622 - Pyrazolonylazoaniline or aminonaphtyl compounds for copying processes (1978-10-10),

Title: The Innovations of Hans Baumann from Wachenheim, Germany

Introduction

Hans Baumann is a prolific inventor based in Wachenheim, Germany, known for his significant contributions to the field of dye chemistry. With an impressive portfolio of 22 patents, Baumann has made strides in developing compounds that enhance the dyeing process for various materials.

Latest Patents

Among Hans Baumann's latest patents are two noteworthy innovations. The first patent involves Azo dye 2:1-chromium complexes, with compounds that in the form of free acids correspond to a specified formula. This innovative compound showcases the unique characteristics of azo dyes, enhancing their practical applications. The second patent focuses on a reactive pyrazole group containing monoazo dye, defined by a detailed formula that includes various substituents such as fluorine, chlorine, bromine, and different alkoxy groups. The dye formulated in this patent is notable for its effectiveness in dyeing cellulose-containing materials, polyamides, and leather, characterized by high tinctorial strength along with excellent lightfastness and wetfastness properties.

Career Highlights

Hans Baumann is currently serving as a key innovator at BASF Aktiengesellschaft, a leading company in the chemical industry. Throughout his career, he has demonstrated an unwavering commitment to advancing dye chemistry, contributing to innovation in dye formulations that meet industry demands.

Collaborations

During his tenure at BASF, Hans Baumann has collaborated with talented coworkers, including Andreas Oberlinner and Klaus Grychtol. Together, they have worked towards significant advancements in dye technology, fostering a spirit of teamwork and collaboration that drives innovation.

Conclusion

Hans Baumann's contributions are vital to the field of dye chemistry, with his patents reflecting a deep understanding of compound properties and applications. His work continues to influence the textile and leather industries, setting high standards for durability and quality in dye products. With ongoing innovations, Baumann remains a notable figure in the realm of chemical inventions.

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