This inventor holds 4 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 2 EPO patents. Top assignees: Bayer Materialscience Ag, Covestro Deutschland Ag. Active years: 2012-2017.
Company Filing History:
Years Active: 2012-2017
Title: Uwe Kuenzel: Innovator in Polyester Polyols and Rigid Foams
Introduction
Uwe Kuenzel is a notable inventor based in Leverkusen, Germany. He has made significant contributions to the field of polymer chemistry, particularly in the development of polyester polyols and their applications in rigid foams. With a total of 4 patents to his name, Kuenzel's work has had a lasting impact on the industry.
Latest Patents
One of his latest patents focuses on polyester polyols with long-chain polyether polyol building blocks. This invention relates to a polyester polyol that contains building units derived from ethylene glycol and/or diethylene glycol. It is characterized by the inclusion of building units derived from at least one long-chain polyester polyol with a number-average molar mass ranging from 1500 to 8000 Da. The invention also details a process for producing these polyols and their use, particularly in the production of rigid PUR/PIR foams.
Another significant patent involves methods for applying a foamable reaction mixture, a high-pressure device, and a device for producing sandwich composite elements. This invention describes a high-pressure device designed for the application of an expandable reaction mixture onto a surface. It includes a mixing head, a distributor head, and multiple outlet lines, along with a measurement and control unit for managing the desired pressure of the components on the mixing head.
Career Highlights
Throughout his career, Uwe Kuenzel has worked with prominent companies such as Bayer MaterialScience AG and Covestro Deutschland AG. His experience in these organizations has allowed him to refine his expertise in polymer technology and innovation.
Collaborations
Kuenzel has collaborated with notable colleagues, including Thomas Rüb and Hartmut Nefzger. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Uwe Kuenzel's innovative work in polyester polyols and rigid foams showcases his expertise and dedication to advancing polymer chemistry. His contributions continue to influence the industry and inspire future innovations.

