Company Filing History:

8 out of 10,754

Basf Aktiengesellschaft

Basf Aktiengsellschaft

patents

Years Active: 1977-1995

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11 patents (USPTO):Sort by Forward CitationsExplore 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.

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