Company Filing History:

19 out of 12,160

Bayer Aktiengesellschaft

patents

2 out of 532

Bayer Materialscience Ag

patents

Years Active: 1983-2010

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21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7763683 - Polyester polyols, a process for the production thereof and the use thereof (2010-07-27),

2. 7091304 - Process for cleaning production plants for polyester polyols (2006-08-15),

3. 5612408 - Polyurethane-based thickeners for aqueous compositions (1997-03-18),

4. 5594087 - Polyurethane thickeners and their use for thickening aqueous systems (1997-01-14),

5. 4952241 - (Meth)acylic acid derivatives containing urethane groups (1990-08-28),

6. 4900800 - Powder lacquer and its use for coating heat-resistant substrates (1990-02-13),

7. 4879402 - (Methyl)acrylic acid derivatives containing urethane groups (1989-11-07),

8. 4851531 - Isocyanurate group-containing polyisocyanates (1989-07-25),

9. 4835239 - Diisocyanates and their use for the preparation of polyurethanes (1989-05-30),

10. 4777220 - Process for the production of prepolymers containing isocyanate groups, (1988-10-11),

11. 4748242 - Tertiary polyisocyanate derivatives (1988-05-31),

12. 4744827 - (Meth)-acrylic acid derivatives of tricyclodecanes and their use (1988-05-17),

13. 4694043 - Adhesives with a high level of adhesion on plastics materials (1987-09-15),

14. 4694041 - Polymerizable compositions and the use of arylamines as hardening (1987-09-15),

15. 4673713 - Arylamine derivatives which can be incorporated as copolymerized units (1987-06-16),

Title: The Innovative Contributions of Gerhard Klein in Polyester Polyols

Introduction

Gerhard Klein, a prominent inventor based in Monheim, Germany, has made significant contributions to the field of polyester polyols. With an impressive portfolio of 21 patents, his innovations have enhanced processes in the production of polyurethanes, impacting various industries.

Latest Patents

Gerhard Klein's latest innovations include two notable patents that focus on polyester polyols. The first patent outlines a process for the production of polyester polyols with low functionality and emphasizes the creation of prepolymers from these polyester polyols. This process involves a unique two-step method where cyclic ester monomers are reacted with polyester polyols at low temperatures. The second patent details a process for cleaning production plants that manufacture polyester polyols. This innovative cleaning process utilizes a cleaning polyol that can be repurposed as a raw material in further polyol production, showcasing an effective recycling method.

Career Highlights

Throughout his career, Gerhard Klein has been associated with notable companies such as Bayer Aktiengesellschaft and Bayer MaterialScience AG. His work in these organizations has allowed him to spearhead various projects that focus on the development and optimization of polymer-related technologies. His deep understanding of chemical processes and dedication to innovation have positioned him as a leading figure in the field.

Collaborations

Collaboration has been a key component of Gerhard Klein's career. He has worked alongside esteemed colleagues like Dieter Arlt and Jens Winkel. These collaborations have fostered an environment of shared knowledge and creativity, leading to groundbreaking advancements in their field.

Conclusion

Gerhard Klein's dedication to innovation in polyester polyols highlights the importance of intellectual contributions in the chemical industry. His patents not only advance the understanding of polyester polyol production but also pave the way for sustainable practices within the industry. As an inventor, Klein continues to make a lasting impact through his inventive spirit and collaborative efforts.

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