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For the Inventor, By the Inventor

Ludwigshafen, Germany

Friedrich Wirth

USPTO Granted Patents = 12

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 94(Granted Patents)


Company Filing History:

goldMedal12 out of 10,754 
 
Basf Aktiengesellschaft
 patents

Years Active: 1976-1986

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12 patents (USPTO):Explore Patents
1. 4568427 - Continuous isolation of phthalic anhydride and maleic anhydride from (1986-02-04),
2. 4489775 - Desublimator for isolating sublimation products from reaction gases (1984-12-25),
3. 4411818 - Reactivation of vanadium-containing oxidation catalysts (1983-10-25),
4. 4369327 - Preparation of phthalic anhydride (1983-01-18),
5. 4324694 - Supported catalysts containing vanadium pentoxide, titanium dioxide, (1982-04-13),
6. 4282116 - Supported catalyst containing vanadium and titanium and/or zirconium for (1981-08-04),
7. 4096094 - Supported catalysts containing vanadium pentoxide and titanium dioxide (1978-06-20),
8. 4077984 - Manufacture of phthalic anhydride from o-xylene or naphthalene (1978-03-07),
9. 4036783 - Supported catalyst containing vanadium and titanium (1977-07-19),
10. 4008255 - Recovery of phthalic anhydride (1977-02-15),
11. 4007136 - Supported catalyst for the oxidation of o-xylene and/or naphthalene to (1977-02-08),
12. 3965126 - Recovering maleic anhydride from the effluent from the production of (1976-06-22),

Title: Friedrich Wirth: Innovator in Chemical Processing

Introduction

Friedrich Wirth is a prominent inventor based in Ludwigshafen, Germany, known for his significant contributions to chemical engineering. With a remarkable portfolio of 12 patents, Wirth has played a crucial role in advancing methods of chemical isolation and sublimation in industrial applications.

Latest Patents

Wirth's latest patents demonstrate his innovative approach to chemical processing. One of his key inventions is the method for the continuous isolation of phthalic anhydride and maleic anhydride. This process utilizes reaction gases obtained from the catalytic oxidation of o-xylene or naphthalene with air, where the gases are treated with a hydrocarbon solvent in a column. A secondary treatment with an organic solvent in another column leads to the effective isolation of these valuable chemicals from the liquid bottom product.

Another noteworthy patent is the design of a desublimator for isolating sublimation products from reaction gases. This apparatus comprises a closed housing with several rows of finned tubes, supported and spaced by adjustability mechanisms. The innovative structure of the desublimator enhances its efficiency in separating sublimation products from complex reaction gases, solidifying Wirth's status as a forward-thinking inventor in the field.

Career Highlights

Wirth is associated with BASF Aktiengesellschaft, a leading company in the chemical industry. His work at BASF has allowed him to develop and implement groundbreaking technologies that contribute to the company's success and the broader field of chemistry. Wirth continuously seeks to improve industrial processes, responsive to the needs of the marketplace.

Collaborations

Throughout his career, Wirth has collaborated with esteemed colleagues, including Kurt Blechschmitt and Peter Reuter. These partnerships have fostered a rich environment for innovation and the sharing of ideas, ultimately leading to the successful development of several patented technologies.

Conclusion

Friedrich Wirth's contributions to the field of chemical engineering have had a lasting impact on the industry. His patents, especially in the continuous isolation of chemicals and the design of innovative apparatuses, showcase his dedication to evolving chemical processes. As he continues to work at BASF Aktiengesellschaft, Wirth remains a key figure in the advancement of chemical innovations and a testament to the power of inventive thinking.

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