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For the Inventor, By the Inventor

Friedelsheim, Germany

Norbert Mueller

This inventor holds 11 USPTO granted patents. Top assignees: Basf Aktiengesellschaft, Basf Corporation, Basf Magnetics Gmbh. Active years: 1977-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norbert Mueller. Retrieved from https://idiyas.com/inventor/norbert-mueller-pinq9mq1

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 4.5

ph-index = 4

Forward Citations = 40(Granted Patents)


Location History:

  • Mutterstadt, DE (1977 - 1979)
  • Friedelsheim, DE (1982 - 1995)

Company Filing History:

goldMedal9 out of 10,816 
 
Basf Aktiengesellschaft
 patents
silverMedal1 out of 2,059 
 
Basf Corporation
 patents
bronzeMedal1 out of 79 
 
Basf Magnetics Gmbh
 patents

Years Active: 1977-1995

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11 patents (USPTO):Explore Patents
1. 5378383 - Process for preparing modified chromium dioxide (1995-01-03),
2. 5096779 - Chromium dioxide material, its preparation and magnetic recording media (1992-03-17),
3. 5064549 - Preparation of stabilized chromium dioxide with sodium (1991-11-12),
4. 5030371 - Process for preparing acicular ferromagnetic material consisting (1991-07-09),
5. 4741895 - Preparation of chromium(III) oxide (1988-05-03),
6. 4670177 - Preparation of ferromagnetic chromium dioxide (1987-06-02),
7. 4495246 - Acicular ferromagnetic chromium dioxide particles (1985-01-22),
8. 4340494 - Process for the manufacture of ferromagnetic chromium dioxide (1982-07-20),
9. 4143050 - Manufacture of 3-halosulfonylthiophene-carboxylic acid compounds (1979-03-06),
10. 4056541 - Ketolactones (1977-11-01),
11. 4053511 - Nopinylamines (1977-10-11),

Title: Norbert Mueller: A Pioneer in Magnetic Materials

Introduction

Norbert Mueller, based in Friedelsheim, Germany, is an accomplished inventor recognized for his significant contributions to the field of magnetic materials. With a total of 11 patents to his name, Mueller's innovative work has paved the way for advancements in magnetic recording technology.

Latest Patents

Norbert Mueller’s latest patents focus on innovative processes and materials that enhance the performance of magnetic recording media. One of his noteworthy patents describes a process for preparing modified chromium dioxide, which involves creating a magnetic recording medium comprising a non-magnetic substrate and at least one magnetic layer. This layer contains acicular chromium dioxide evenly distributed in a polymeric binder along with additives, exhibiting a coercive force of at least 60 kA/m and a mean particle length of less than 300 nm.

In addition, another significant patent details the development of chromium dioxide material that features improved stability against chemical decomposition, with a protective surface layer enhancing long-term stability under high humidity and temperature conditions. These innovations are crucial for the reliability and efficiency of magnetic recording systems.

Career Highlights

Norbert Mueller's career has been marked by impactful roles in renowned companies, including BASF Aktiengesellschaft and BASF Magnetics GmbH. His work in these organizations has allowed him to leverage his expertise in the development of cutting-edge materials for various applications in the field of magnetics.

Collaborations

Throughout his career, Mueller has collaborated with other distinguished professionals in the industry, notably Manfred Ohlinger and Ekkehard Schwab. These collaborations have not only fostered innovation but have also contributed to the successful development of his patented technologies and materials.

Conclusion

Norbert Mueller remains a prominent figure in the realm of magnetic materials, with a solid portfolio of patents that underscore his innovative spirit and technical prowess. His contributions significantly advance the efficiency and effectiveness of magnetic recording media, marking him as a valuable inventor in this specialized field.

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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