Company Filing History:

20 out of 12,157

Bayer Aktiengesellschaft

patents

1 out of 191

Mobay Chemical Corporation

where one patent can have more than one assignee

Years Active: 1976-1999

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21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5925783 - Process for the preparation of isocyanates (1999-07-20),

2. 5525683 - Ether-linked amine-terminated polyesters and a process for their (1996-06-11),

3. 5345012 - Process for the preparation of dinitrotoluene (1994-09-06),

4. 4552874 - Pyrazolooxazines, pyrazolothiazines, and pryazoloquinolines and their (1985-11-12),

5. 4430505 - Process for the preparation of N,O-disubstituted urethanes useful for (1984-02-07),

6. 4388246 - Process for the preparation of polyisocyanates (1983-06-14),

7. 4195132 - Cross-linked plastics based on cyanic acid esters and method of (1980-03-25),

8. 4154752 - Preparation of partially carbodiimidized methylenebis (phenyl isocyanate) (1979-05-15),

9. 4142048 - Production of tris-(2-hydroxyaryl) esters of cyanuric acid (1979-02-27),

10. 4094861 - Process for the production of non-inflammable polytriazines (1978-06-13),

11. 4094852 - Process for the production of polytriazines in the presence of (1978-06-13),

12. 4066577 - High molecular weight polytriazines of soluble polymeric N-cyano-isourea (1978-01-03),

13. 4060541 - Aromatic cyanic acid esters (1977-11-29),

14. 4059567 - High molecular weight polytriazines of soluble polymeric N-cyano-isourea (1977-11-22),

15. 4049630 - Process for preparation of s-triazine prepolymers (1977-09-20),

Title: Rudolf Sundermann: A Pioneer in Polyester Innovations

Introduction

Rudolf Sundermann, located in Leverkusen, Germany, is a prolific inventor with a remarkable portfolio of 21 patents. His work primarily revolves around the synthesis and application of polyester materials, significantly advancing the field of polymer chemistry. Sundermann's innovative contributions have shaped the industry and continue to influence new developments.

Latest Patents

Among his latest patents, Sundermann has developed a notable process for the preparation of isocyanates. This process involves the creation of ether-linked amine-terminated polyesters, which are synthesized through a three-step reaction. The first step utilizes a polyester polyol where the hydroxyl groups are replaced with good leaving groups. The second step combines this with an aminoalcohol and/or aminothiol, and the third step introduces a deprotonating agent. The resulting aminopolyesters are characterized by their excellent reactivities across a broad spectrum of molecular weights and functionalities, showcasing Sundermann's innovative prowess in material science.

Career Highlights

Sundermann has significantly contributed to the chemical industry during his career, working at esteemed companies such as Bayer Aktiengesellschaft and Mobay Chemical Corporation. His tenure at these organizations has not only allowed him to hone his skills but also to make impactful innovations that have led to the development of advanced chemical processes and products.

Collaborations

Throughout his career, Sundermann has collaborated with notable individuals like Ernst Grigat and Gunther Rottloff. These partnerships have enriched his research and development efforts, fostering a collaborative environment that promotes innovation and problem-solving in the field of polymer chemistry.

Conclusion

Rudolf Sundermann's legacy as an inventor and innovator is marked by his significant contributions to polyester chemistry and his extensive patent portfolio. His work stands as a testament to the importance of innovation in driving industrial advancements, inspiring future generations of inventors.

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