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For the Inventor, By the Inventor

Leverkusen, Germany

Helmut Heitzer

This inventor holds 19 USPTO granted patents, primarily in Chemical Synthesis. Top assignee: Bayer Aktiengesellschaft. Active years: 1976-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Helmut Heitzer. Retrieved from https://idiyas.com/inventor/helmut-heitzer

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 19

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 6

Forward Citations = 70(Granted Patents)


Location History:

  • Opladen, DE (1977)
  • Leverkusen, DE (1976 - 1998)

Company Filing History:

goldMedal19 out of 12,269 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1976-1998

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Areas of Expertise:
2-Halogenopyridinealdehydes
Benzodiazepine-Diones
Plant Growth Regulants
Fluoromethylated Polycyanobenzenes
Acyloxamides
Chloropyrimidine
Imidazolidinedione
Thiazolo Compounds
Dichloroimidazole
Cyanide Adducts
Nitro-Alkoxy Compounds
Benzoxazepines
19 patents (USPTO):Explore Patents
1. 5708180 - Process for the preparation of 2-halogenopyridinealdehydes and novel (1998-01-13),
2. 5258394 - 1-trifluoromethyl-1-nitro-2-alkoxy-2-aryl-ethanes, their preparation and (1993-11-02),
3. 5221681 - Substituted benzoxazepines and benzothiazepines (1993-06-22),
4. 5175336 - Fluoromethylated polycyanobenzenes, their alkali metal cyanide adducts, (1992-12-29),
5. 5066681 - 1-trifluoromethyl-1-nitro-2-alkoxy-2-aryl-ethanes, their preparation and (1991-11-19),
6. 4748243 - Preparation of 2-chloro-5-chloromethylthiazole (1988-05-31),
7. 4369186 - 4,5-Dichloroimidazole-2-carboxylic acid derivatives (1983-01-18),
8. 4350520 - Plant growth regulant compositions (1982-09-21),
9. 4293331 - Novel acyloxamides and plant growth regulant compositions (1981-10-06),
10. 4187306 - Benzodiazepine-diones, a process for their production and their use as (1980-02-05),
11. 4179277 - 4,5-Dichloroimidazole-2-carboxylic acid derivatives (1979-12-18),
12. 4171442 - Process for the preparation of 2,4,5-trichloropyrimidine (1979-10-16),
13. 4140857 - Process for the preparation of 2,4,5-trichloropyrimidine (1979-02-20),
14. 4125723 - Process for the preparation of tetrachloropyrimidine (1978-11-14),
15. 4125722 - Process for the preparation of tetrachloropyrimidine (1978-11-14),

Title: Inventor Helmut Heitzer: Pioneering Advances in Chemical Synthesis

Introduction

Helmut Heitzer, a notable inventor based in Leverkusen, Germany, has made significant contributions to the field of chemistry, particularly in the preparation of valuable chemical compounds. With a remarkable portfolio of 19 patents, Heitzer's inventions are paving the way for advancements in pharmaceuticals and crop protection.

Latest Patents

Among his latest innovations is a patented process for the preparation of 2-halogenopyridinealdehydes. This process involves a reaction that utilizes cyanoolefins, aminocarbonylolefins, or hydroxyiminoolefins with a Vilsmeier reagent, resulting in the formation of 2-halogenopyridines with aldehyde groups in the 3 and/or 5 positions. These pyridinealdehydes are crucial intermediates in the development of pharmaceutical agents and crop protection solutions. Another significant patent focuses on 1-trifluoromethyl-1-nitro-2-alkoxy-2-aryl-ethanes, which includes their preparation processes, adding to Heitzer's reputation for innovation.

Career Highlights

Heitzer's career is marked by his association with Bayer Aktiengesellschaft, where he plays a pivotal role in developing cutting-edge chemical processes. His extensive research work and dedication to advancing chemical synthesis highlight his status as a prominent figure in the industry.

Collaborations

Throughout his career, Heitzer has collaborated with esteemed colleagues such as Gunther Beck and Klaus Lurssen. These partnerships underscore the importance of teamwork in driving innovation within Bayer and the broader scientific community.

Conclusion

In summary, Helmut Heitzer exemplifies the spirit of innovation in the chemical industry. His contributions through an impressive array of patents not only enhance the pharmaceutical and crop protection sectors but also inspire future generations of inventors.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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