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For the Inventor, By the Inventor

Cologne, Germany

Karl-Werner Thiem

USPTO Granted Patents = 16

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 59(Granted Patents)


Location History:

  • Cologne, DE (1976 - 1979)
  • Charleston, SC (US) (1981 - 1982)

Company Filing History:

goldMedal16 out of 12,157 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1976-1982

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16 patents (USPTO):Explore Patents
1. 4344827 - Process for working up nitric acid (1982-08-17),
2. 4261908 - Process for isolating aromatic dinitro compounds (1981-04-14),
3. 4163747 - Process for the preparation of 1-alkylamino-anthraquinones (1979-08-07),
4. 4141799 - Process for the purification of high-melting organic products (1979-02-27),
5. 4112005 - Process for the preparation of mononitro-aromatic compounds (1978-09-05),
6. 4102906 - Process for preparing .alpha.-amino-.beta.'-nitroanthraquinones (1978-07-25),
7. 4064147 - Process for the production of aromatic mononitro compounds (1977-12-20),
8. 4031116 - Process for preparing pure 1-nitroanthraquinone (1977-06-21),
9. 4003924 - Process for preparing 1-amino anthraquinone (1977-01-18),
10. 3996252 - Preparation of pure 1,8-dinitroanthraquinone (1976-12-07),
11. 3996251 - Preparation of pure 1,5-dinitroanthraquinone (1976-12-07),
12. 3969374 - Process for preparing amino-anthraquinones (1976-07-13),
13. 3959317 - Process for the preparation of 1-nitroanthraquinone (1976-05-25),
14. 3933868 - Process for the preparation of 1,5- and 1,8-diamino-anthraquinone (1976-01-20),
15. 3933867 - Process for the preparation of 1-aminoanthraquinone (1976-01-20),

Title: Inventor Spotlight: Karl-Werner Thiem

Introduction

Karl-Werner Thiem, a distinguished inventor based in Cologne, Germany, is renowned for his contributions to chemical engineering. With an impressive portfolio of 16 patents, Thiem has played a pivotal role in advancing processes related to nitric acid and aromatic dinitro compounds.

Latest Patents

Thiem's latest innovations include a method for the recovery of nitric acid and a process for isolating aromatic dinitro compounds. The first patent details a process for working up aqueous nitric acid above azeotropic concentrations, emphasizing the importance of maintaining specific ratios of nitric acid and water to organic constituents during the distillation process. The second patent focuses on isolating aromatic dinitro compounds utilizing nitric acid in defined concentrations within a rectifying column, successfully separating the desired mixture from the column’s sump.

Career Highlights

Karl-Werner Thiem has made significant contributions to Bayer Aktiengesellschaft, a leading global enterprise in pharmaceuticals and innovative materials. His expertise in chemical processes not only enhances the efficiency of existing applications but also paves the way for new developments in the field.

Collaborations

Throughout his career, Thiem has worked alongside noteworthy colleagues such as Wolfgang Auge and Rutger Neeff. Their combined efforts reflect a commitment to scientific innovation and the pursuit of excellence in chemical research and development.

Conclusion

Karl-Werner Thiem stands out as an influential figure in the realm of chemical engineering. His innovative patents and collaborative spirit continue to inspire advancements in chemical processes, making lasting contributions to the industry and furthering the boundaries of scientific discovery.

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