Company Filing History:

35 out of 12,157

Bayer Aktiengesellschaft

patents

1 out of 191

Mobay Chemical Corporation

patents

1 out of 1

Bayer Aktiengesesellschaft

patent

where one patent can have more than one assignee

Years Active: 1976-1997

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36 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5684180 - Fractionation and purification of aromatic polyamine mixtures and the (1997-11-04),

2. 5679841 - Fractionation and purification of aromatic polyamine mixtures and the (1997-10-21),

3. 5679840 - Fractionation and purification of aromatic polyamine mixtures and the (1997-10-21),

4. 5675035 - Fractionation and purification of aromatic polyamine mixtures and the (1997-10-07),

5. 5672737 - Fractionation and purification of mixtures of aromatic polyamines and (1997-09-30),

6. 5663424 - Fractionation and purification of aromatic polyamine mixtures and the (1997-09-02),

7. 5648520 - Fractionation and purification of aromatic polyamine and the use thereof (1997-07-15),

8. 5648519 - Fractionation and purification of aromatic polyamine mixtures and the (1997-07-15),

9. 5359141 - Process for the production of polynuclear aromatic polyamines (1994-10-25),

10. 5196591 - Process for the production of polynuclear aromatic polyamines (1993-03-23),

11. 5043471 - Process for the preparation of polyisocyanates (1991-08-27),

12. 4924028 - Process for the production of polynuclear aromatic polyamines (1990-05-08),

13. 4914236 - Process for the preparation of multinuclear aromatic polyamines (1990-04-03),

14. 4879409 - Cycloaliphatic diisocyanates, optionally in the form of isomeric (1989-11-07),

15. 4879408 - Cycloaliphatic diisocyanates optionally in the form of isomer mixtures (1989-11-07),

Title: Innovations of Hartmut Knofel: A Focus on Aromatic Polyamine Mixtures

Introduction

Hartmut Knofel, based in Odenthal, Germany, is a renowned inventor with a remarkable portfolio of 36 patents. His expertise is prominently showcased in the field of chemical engineering, particularly related to the fractionation and purification of aromatic polyamine mixtures.

Latest Patents

Among his latest innovations are patents that focus on the processes for the fractionation and purification of aromatic polyamine mixtures, which not only highlight his ingenuity but also offer significant advancements in chemical processing. These patents outline methods that improve the efficiency and effectiveness of handling complex chemical mixtures, making them invaluable to various industries.

Career Highlights

Knofel's career spans influential roles at notable companies such as Bayer Aktiengesellschaft and Mobay Chemical Corporation. At Bayer, he contributed to pioneering chemical solutions that advanced the industry, while his time at Mobay was characterized by innovative approaches to chemical product development.

Collaborations

Throughout his career, Knofel has collaborated with esteemed colleagues like Michael Brockelt and Stefan Penninger. These partnerships have fostered an environment of innovative thinking and teamwork, leading to breakthroughs in chemical applications and patents.

Conclusion

Hartmut Knofel's contributions to the field of chemical engineering through his patents and collaborations exemplify the impact of innovative thinking on industry practices. His work continues to influence the development of aromatic polyamine mixtures, showcasing the importance of research and innovation in driving progress.

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