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For the Inventor, By the Inventor

Burscheid, Germany

Hans-Samuel Bien

USPTO Granted Patents = 20

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 87(Granted Patents)


Company Filing History:

goldMedal20 out of 12,160 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1976-1981

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20 patents (USPTO):Explore Patents
1. 4299966 - Process for the preparation of 4,4',7,7'-tetrachlorthioindigo in pigment (1981-11-10),
2. 4206306 - Reactive phthalocyanine dyestuffs containing a fluorotriazinyl group (1980-06-03),
3. 4162946 - Process for concentrating halogenoanthraquinones (1979-07-31),
4. 4115378 - Water soluble reactive axodyestuffs containing a fluorotriazinyl group (1978-09-19),
5. 4104284 - Nitroanthraquinones (1978-08-01),
6. 4065446 - Reactive dyestuffs containing urea alkylene linkage between chromophore (1977-12-27),
7. 4056544 - Anthraquinone compounds (1977-11-01),
8. 4045457 - Anthraquinone dyestuffs (1977-08-30),
9. 4041053 - Process for the preparation of anthraquinone compounds (1977-08-09),
10. 4036862 - 1-Amino-2-(bromophenoxy-alkoxy)-4-hydroxy anthraquinone dyestuffs (1977-07-19),
11. 4024144 - Polycyclic dyestuffs (1977-05-17),
12. 4007164 - Azo dyestuffs containing 6-fluoro-pyrimidinyl 4-reactive group (1977-02-08),
13. 4006171 - Process for the preparation of halogenoanthraquinones (1977-02-01),
14. 4000167 - Nitroanthraquinones (1976-12-28),
15. 3989450 - Nitroanthraquinones (1976-11-02),

Title: A Profile of Innovator Hans-Samuel Bien

Introduction:

Hans-Samuel Bien is a distinguished inventor based in Burscheid, Germany, known for his significant contributions to the field of chemical engineering and dye technology. With a portfolio comprising 20 patents, he has made a remarkable impact in the development of functional dyestuffs and pigments that enhance various industrial applications.

Latest Patents:

One of Bien’s most notable recent patents is a process for the preparation of 4,4',7,7'-tetrachloro-thioindigo. This innovative process enables the production of a pigment directly suitable for use, achieved through the oxidation of 3-hydroxy-4,7-dichloro-1-thionaphthene in an alkaline medium along with oxygen or an oxygen-containing gas. Another key patent involves reactive phthalocyanine dyestuffs that incorporate a fluorotriazinyl group. These dyestuffs, characterized by their complex chemical structure, are particularly advantageous for dyeing textile materials rich in hydroxyl or nitrogen, including natural and regenerated cellulose, wood, silk, polyamide, and polyurethane. Notably, these dyestuffs exhibit excellent fastness properties, especially in terms of wet fastness.

Career Highlights:

Hans-Samuel Bien has built his career at Bayer Aktiengesellschaft, a leading global enterprise in the healthcare and life sciences sector. His work at Bayer has centered on innovation in dye chemistry and applications, driving forward the company’s reputation for quality and technological advancement.

Collaborations:

Throughout his career, Bien has collaborated with esteemed colleagues, including Klaus Wunderlich and Walter Hohmann. Their combined expertise has fostered an environment of creativity and innovation, culminating in numerous successful projects and patents that have broadened the scope of his research.

Conclusion:

Hans-Samuel Bien's inventive spirit and dedication to chemistry continue to influence the field of dye technology. With his extensive portfolio of patents and impactful partnerships, he remains a significant figure in his industry, paving the way for future innovations that enhance the applicability and performance of industrial dyestuffs and pigments.

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