Hans-Joachim Diehr

This inventor holds 51 USPTO granted patents, primarily in Herbicide Development (CPC class 5443). Top assignees: Bayer Aktiengesellschaft, Bayeraktiengesellschaft. Active years: 1976-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Joachim Diehr. Retrieved from https://idiyas.com/inventor/hans-joachim-diehr

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

USPTO Granted Patents = 51

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 130(Granted Patents)

Forward Citations (Not Self Cited) = 126(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Wuppertal-Vohwinkel, DE (1995)
Wuppertal, DE (1976 - 1999)

Company Filing History:

50 out of 12,268

Bayer Aktiengesellschaft

patents

1 out of 38

Bayeraktiengesellschaft

patents

Years Active: 1976-1999

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Areas of Expertise:

Herbicides

Thiadiazoles

Triazolinones

Microbicidal Agents

Aminocarbonyl

Cycloalkyl

Sulphonylureas

Pyridine Derivatives

Fungicides

Heterocyclic Compounds

Oxyacetamides

Pesticides

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5858922 - Herbicidal fluorothiadiazolyl oxyacetamides (1999-01-12),

2. 5780392 - Heterocyclyl-1,3,4-thiadiazolyloxyacetamides and their use as herbicides (1998-07-14),

3. 5739349 - Process and intermediates for the preparation of triazolinones (1998-04-14),

4. 5708184 - Process for the preparation of substituted aminocarbonyltriazolinones (1998-01-13),

5. 5693821 - Process for the preparation of substituted aminotriazolinones (1997-12-02),

6. 5639891 - Intermediates for the preparation of triazolinones (1997-06-17),

7. 5475115 - Process for the preparation of triazolinones (1995-12-12),

8. 5453506 - Process for the preparation of 2-chloro-5-aminomethyl-pyridine (1995-09-26),

9. 5442072 - Process for preparing chloromethylpyridines (1995-08-15),

10. 5434267 - Process for the preparation of substituted 3-alkoxyacrylates (1995-07-18),

11. 5382671 - Process for the preparation of 2-chloro-5-alkylaminomethyl-pyridines (1995-01-17),

12. 5177090 - Microbicidal agents (1993-01-05),

13. 5169427 - Herbicidal cycloalkyl-substituted thiadiazolyloxyacetamides (1992-12-08),

14. 5166165 - Fungicidal agents based on heterocyclically substituted sulphones (1992-11-24),

15. 5164508 - Process for the preparation of (1992-11-17),

Title: Innovations and Contributions of Hans-Joachim Diehr

Introduction

Hans-Joachim Diehr, based in Wuppertal, Germany, is a distinguished inventor with an impressive portfolio of 51 patents. His work primarily revolves around the development of innovative herbicides, contributing significantly to agricultural science and chemical engineering.

Latest Patents

Among his latest inventions are notable patents such as "Herbicidal Fluorothiadiazolyl Oxyacetamides" and "Heterocyclyl-1,3,4-Thiadiazolyloxyacetamides and Their Use as Herbicides". These patents underscore his commitment to improving crop protection and advancing herbicidal technology.

Career Highlights

Throughout his career, Diehr has been associated with Bayer Aktiengesellschaft, a leading global enterprise in the pharmaceutical and life sciences sectors. His work within this prestigious company has enabled him to explore and develop new chemical formulations that contribute to agricultural efficiency.

Collaborations

Hans-Joachim has collaborated with notable colleagues, including Robert R. Schmidt and Hans-Joachim Santel. These partnerships have fostered a dynamic environment for innovation, enhancing the quality and breadth of his research and patents.

Conclusion

Hans-Joachim Diehr's extensive contributions to the field of herbicide development through his numerous patents demonstrate his pivotal role as an inventor. His innovative work continues to influence the agricultural industry by providing effective solutions for crop management and protection.

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]