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For the Inventor, By the Inventor

Heidelberg, Germany

Guenther Riedel

This inventor holds 4 USPTO granted patents. Top assignee: Basf Aktiengesellschaft. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Guenther Riedel. Retrieved from https://idiyas.com/inventor/guenther-riedel

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 27(Granted Patents)


Location History:

  • Heidelberg-Wieblingen, DE (1977 - 1982)
  • Heidelberg, DE (1992)

Company Filing History:

goldMedal4 out of 10,816 
 
Basf Aktiengesellschaft
 patents

Years Active: 1977-1992

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4 patents (USPTO):Explore Patents
1. 5145573 - Marked mineral oils and method of marking mineral oils with basic dyes (1992-09-08),
2. 4315756 - Oil-soluble azo dye with N-substituted .beta.-naphthylamine as coupling (1982-02-16),
3. 4086054 - Concentrated storage-stable solutions of alkylbenzenesulfonates of basic (1978-04-25),
4. 4005066 - Isotridecylammonium salts of chromium or cobalt 1:2 complex azo dyes (1977-01-25),

Title: Guenther Riedel: Innovator in Marked Mineral Oils

Introduction

Guenther Riedel is a notable inventor based in Heidelberg, Germany. He has made significant contributions to the field of chemistry, particularly in the development of marked mineral oils. With a total of 4 patents to his name, Riedel's work has had a considerable impact on the industry.

Latest Patents

Riedel's latest patents include innovative methods for marking mineral oils with basic dyes. One of his patents describes marked mineral oils containing basic dyes that have at least two amino groups. These dyes experience a bathochromic shift of their absorption maximum when a protogenic acid and, optionally, a metal halide, are added. Another patent focuses on oil-soluble azo dyes that utilize N-substituted β-naphthylamine as a coupling component. These dyes are particularly effective for coloring mineral oils, gasoline, fats, and waxes due to their excellent solubility.

Career Highlights

Guenther Riedel is associated with BASF Aktiengesellschaft, a leading chemical company. His work at BASF has allowed him to explore and develop innovative solutions in the field of dyes and mineral oils. His contributions have been recognized within the industry, showcasing his expertise and dedication to advancing chemical applications.

Collaborations

Riedel has collaborated with notable colleagues such as Christos Vamvakaris and Walter Seibert. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Guenther Riedel's work in the field of marked mineral oils and dyes exemplifies the spirit of innovation. His patents and collaborations reflect a commitment to advancing chemical technologies. Riedel's contributions continue to influence the industry and inspire future developments.

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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