Company Filing History:
20 out of 644 
13 out of 532 
2 out of 12,157 
Years Active: 1988-2025
Title: Friedhelm Steffens: Innovator in Polyurethane and Chemical Engineering
Introduction
Friedhelm Steffens is a notable inventor based in Leverkusen, Germany, recognized for his significant contributions to the field of chemical engineering, particularly in the area of polyurethane technologies. With an impressive portfolio of 36 patents to his name, Steffens has played a pivotal role in advancing methods for recovering materials and treating chemical processes.
Latest Patents
Among his latest inventions is a groundbreaking method for recovering raw materials from polyurethane products. This method involves several steps, including the reaction of a polyurethane product with a mono- or polyvalent alcohol in the presence of a catalyst, ultimately leading to the extraction of polyols and amines from the product mixture. Another noteworthy patent is a method and system for separating and treating impurities from a hydrogen chloride liquid mixture. This process aims to enhance the efficiency of isocyanate production by neutralizing pollutant mixtures and treating them in a waste liquid treatment device.
Career Highlights
Friedhelm Steffens has dedicated a significant part of his career to prominent organizations such as Covestro Deutschland AG and Bayer MaterialScience AG. His roles in these companies have allowed him to innovate and apply his research in practical applications, further solidifying his reputation as a leading inventor in the industry.
Collaborations
Steffens has collaborated with several esteemed colleagues throughout his career, including Wolfgang Lorenz and Rainer Bruns. These partnerships have fostered a collaborative environment that has been conducive to the development of innovative solutions in chemical engineering.
Conclusion
Friedhelm Steffens exemplifies the spirit of innovation and dedication to improving chemical processes and materials. His contributions have not only advanced technology in polyurethane recovery but have also set new standards in the treatment of chemical impurities, representing a significant step forward for research and industry alike. His work continues to influence future developments and inspire emerging inventors in the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.