Helmut Hagen

This inventor holds 81 USPTO granted patents and 3 EPO patents, primarily in Isoxazoline Chemistry (CPC class 424270). Top assignees: Basf Aktiengesellschaft, Basf Se Corporation. Active years: 1976-2012.

USPTO Granted Patents = 81

% Patents Active = 97.5

EPO Patents = 3 (Patent Applications = 2)

Average Co-Inventor Count = 3.8

ph-index = 8

Forward Citations = 259(Granted Patents)

Forward Citations (Not Self Cited) = 217(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

79 out of 10,816

Basf Aktiengesellschaft

Years Active: 1976-2012

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Areas of Expertise:

Isoxazolin

Azo Dyes

Herbicides

Benzene Derivatives

Phthalocyanines

Pyrido-Fused Compounds

Sulfonated Acids

Nitrobenzoic Acids

5-Aminopyrazoles

2-Aminothiophenes

Quinoline Derivatives

Methylsulfonylbenzoic Acids

81 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8124810 - Preparation of isoxazolin-3-ylacylbenzenes (2012-02-28),

2. 8049017 - Preparation of isoxazolin-3-ylacylbenzenes (2011-11-01),

3. 7663001 - Preparation of isoxazolin-3-ylacylbenzene (2010-02-16),

4. 7309802 - Preparation of isoxazolin-3-ylacylbenzene (2007-12-18),

5. 6716989 - Preparation of 2-alkyl-3-(4,5-dihydroisoxazol-3-yl) halobenzenes (2004-04-06),

6. 6706886 - Process and novel intermediates for preparing isoxazolin-3-ylacyl benzenes (2004-03-16),

7. 6670482 - Process and novel intermediates for preparing isoxazolin-3-ylacyl benzenes (2003-12-30),

8. 6608209 - Preparation of isoxazolin-3-ylacylbenzenes (2003-08-19),

9. 6603017 - Preparation of 2-alkyl-3-(4,5-dihydroisoxazol-3-yl) halobenzenes (2003-08-05),

10. 6548677 - Method of producing 2-alkyl-3-(4,5-dihydroisoxazole-3-yl)-halobenzenes (2003-04-15),

11. 6525204 - Method for producing isoxazoline-3-yl-acyl benzene (2003-02-25),

12. 6469176 - Method and novel intermediate products for producing isoxazolin-3-yl-acylbenzenenes (2002-10-22),

13. 6197941 - Reactive dyes with a heterocyclic anchor (2001-03-06),

14. 5886187 - Benzene derivatives having a heterocyclic radical (1999-03-23),

15. 5783694 - IR-absorbing phthalocyanines (1998-07-21),

Title: The Inventive Journey of Helmut Hagen: Pioneering Innovations in Frankenthal, DE

Introduction:

Helmut Hagen, a prolific inventor based in Frankenthal, Germany, has made significant contributions to the field of chemical synthesis and pharmaceuticals. With an impressive portfolio of 81 patents, Hagen's innovative work has left a lasting impact on the industry.

Latest Patents:

Among his latest patents is the groundbreaking process for the preparation of isoxazolin-3-ylacylbenzenes. This process involves a series of steps including halogenation, thiomethylation, oxidation, and acylation to yield compounds of the formula I. Hagen's work also encompasses the development of novel intermediates crucial for synthesizing these compounds, showcasing his mastery in organic chemistry.

Career Highlights:

Hagen has held key positions at renowned companies such as BASF Aktiengesellschaft and BASF SE Corporation. His tenure at these organizations has been marked by groundbreaking research and innovative discoveries that have pushed the boundaries of chemical engineering and pharmaceutical development.

Collaborations:

Throughout his career, Hagen has collaborated with esteemed colleagues such as Bruno Wuerzer and Rolf-Dieter Kohler. Together, they have fostered a culture of innovation, sharing expertise and insights to drive forward groundbreaking projects and research initiatives.

Conclusion:

In conclusion, Helmut Hagen stands as a pioneering figure in the realm of chemical synthesis and pharmaceutical innovations. His extensive patent portfolio and collaborative efforts underscore his commitment to advancing science and technology, making him a revered figure in the field.