Guenter Hansen

This inventor holds 66 USPTO granted patents, primarily in Azo Dyes Chemistry (CPC class 5347). Top assignees: Basf Aktiengesellschaft, Sandoz Ag. Active years: 1977-1994.

USPTO Granted Patents = 66

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 8

Forward Citations = 261(Granted Patents)

Forward Citations (Not Self Cited) = 209(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Frankenthal, DE (1981)
Ludwigshafen, DE (1977 - 1994)

Company Filing History:

64 out of 10,816

Basf Aktiengesellschaft

Years Active: 1977-1994

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Areas of Expertise:

Azo Dyes

Thiophene Radicals

Isothiazole Compounds

Disperse Dye Mixtures

Phenoneazo Dyes

Quaternized Azo Dyes

Navy Dye Mixtures

Metal Complexes

Cationic Dyes

Pyridoneazo Dyes

Heterocyclic Azo Dyes

Acetalized Azo Dyes

66 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5352774 - Dyes containing thiophene radicals (1994-10-04),

2. 5330543 - Thiopheneazo dyes with a coupling component of the diaminopyridine series (1994-07-19),

3. 5283326 - Dyes containing thiophene radicals (1994-02-01),

4. 5270456 - Azo dyes with A2-aminothiophene dye azo component and a coupling (1993-12-14),

5. 5264560 - Preparation of quaternized azo dyes (1993-11-23),

6. 5247071 - Preparation of acetalized azo dyes (1993-09-21),

7. 5216139 - Thiopheneazo dye based on a coupling component of the thiazole series (1993-06-01),

8. 5182372 - Aniline-based oil-soluble azo dyes (1993-01-26),

9. 5175265 - Azo dyes with a diazo component of the 4-amino-7-nitrobenzisothiazole (1992-12-29),

10. 5151506 - Phenoneazo dyes (1992-09-29),

11. 5145952 - Thiopheneazo dyes with a coupling component based on M-phenylenediamine (1992-09-08),

12. 5132412 - Thiazoleazo dyes having a diazo component from the isothiazole or (1992-07-21),

13. 5112362 - Navy dye mixtures of azo disperse dyes for polyester (1992-05-12),

14. 5104979 - Polyazo dyes with diazo components of the aminophenol and the amino (1992-04-14),

15. 5073634 - Tetrachloroferrates of basic dyes (1991-12-17),

Title: The Innovative Journey of Inventor Guenter Hansen

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Latest Patents: Guenter Hansen's latest patents include cutting-edge technologies in the automotive industry, focusing on sustainable energy solutions and advancements in electric vehicle technology.

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Collaborations: Guenter Hansen has collaborated with top research institutions and leading companies in the industry to bring his inventions to life. His partnerships have led to the successful development and commercialization of innovative products that have revolutionized their respective markets.

Conclusion: In conclusion, Guenter Hansen's passion for innovation and his relentless pursuit of excellence have solidified his position as a prominent inventor in Ludwigshafen, Germany. His contributions to the world of technology continue to inspire future generations of inventors and innovators.