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For the Inventor, By the Inventor

Monheim, Germany

Hans Niederprum

USPTO Granted Patents = 20

Average Co-Inventor Count = 3.0

ph-index = 6

Forward Citations = 124(Granted Patents)


Location History:

  • Monheim, Rhineland, DE (1976 - 1977)
  • Duesseldorf, DE (1978)
  • Monheim, DE (1977 - 1985)

Company Filing History:

goldMedal20 out of 12,157 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1976-1985

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20 patents (USPTO):Explore Patents
1. 4500350 - Disintegration of chromites (1985-02-19),
2. 4370254 - Use of perfluoroalkane sulphonamide salts as surface active agents (1983-01-25),
3. 4289646 - 1,1-Difluoro-2-chloroethylene as aerosol propellant (1981-09-15),
4. 4265831 - Process for the preparation of hydroxyalkylperfluoroalkane sulphonamides (1981-05-05),
5. 4260715 - Process for the production of siliconfunctional polyorganosiloxanes (1981-04-07),
6. 4203914 - Silyl esters of perfluoroalkanesulphonic acid esters and a process for (1980-05-20),
7. 4177332 - 1,1,1-Trifluoro-2-chloroethane as blowing agent for polyurethane foam (1979-12-04),
8. 4168277 - Production of tetraethyl ammonium perfluoroalkyl sulphonate (1979-09-18),
9. 4168240 - Process for the preparation of a chrome tanning agent and Glauber's salt (1979-09-18),
10. 4148867 - Production of synthetic fluorspar (1979-04-10),
11. 4138466 - Producing chromate substantially free of vanadium (1979-02-06),
12. 4112046 - Disintegration of silica-rich chromite (1978-09-05),
13. 4101271 - Tanning skins using polycarboxylic acid partial esters (1978-07-18),
14. 4066734 - Alkaline disintegration of chromites (1978-01-03),
15. 4055458 - Etching glass with HF and fluorine-containing surfactant (1977-10-25),

Title: **Hans Niederprum: Innovator in Chromium Processing and Surface Active Agents**

Introduction

Hans Niederprum is a notable inventor based in Monheim, Germany, with an impressive portfolio of 20 patents. His contributions to the field focus on the innovative processing of chromium-containing materials and the utilization of advanced surface active agents, showcasing his commitment to enhancing industrial processes.

Latest Patents

Among his latest inventions, one significant patent addresses the disintegration of chromite residues. This innovative method involves disintegrating chromium-containing materials using an alkaline compound in the presence of oxygen and a diluent at temperatures above 800 °C. A key improvement includes pre-roasting the material prior to the addition of the alkaline compound, optimizing the conditions for chromium extraction. Another notable patent involves the use of perfluoroalkane sulphonamide salts as surface active agents. This method employs these salts in specific formulas to enhance various processes, demonstrating Niederprum’s dedication to advancing chemical applications.

Career Highlights

Hans Niederprum has made substantial contributions to Bayer Aktiengesellschaft, a leading global company in the life sciences field. His work has paved the way for improved methods in the processing of chromium materials, which are essential for various applications in industries, including chemicals and materials science.

Collaborations

Throughout his career, Hans has collaborated with prominent colleagues, including Karl-Heinz Mitschke and Wolfgang Bockelmann. These collaborations have enriched his research and development efforts, allowing for a cross-pollination of ideas and expertise in the field of innovations.

Conclusion

In conclusion, Hans Niederprum stands out as a significant figure in the realm of chemical processing and invention. His patents reflect a profound understanding of materials science and offer practical solutions that enhance industrial processes. With his innovative spirit and collaboration with esteemed colleagues, Niederprum continues to contribute meaningfully to advancements in technology and chemistry.

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