Location History:
- Krefeld all of, DE (1981)
- Krefeld, DE (1977 - 1988)
Company Filing History:
Years Active: 1977-1988
Title: Gunther Ellendt: Innovator in Polyisocyanate Technology
Introduction
Gunther Ellendt is a prominent inventor based in Krefeld, Germany. He has made significant contributions to the field of polyisocyanate technology, holding a total of 12 patents. His work focuses on processes that enhance the purification and production of polyisocyanates, which are essential in various applications, including polyurethane foams and adhesives.
Latest Patents
Ellendt's latest patents include a process for purifying polyisocyanates and a method for their production. The purification process involves extracting crude polyisocyanates at temperatures ranging from 80°C to 180°C to create a two-phase system. This method allows for the separation of purified polyisocyanate and solvent, which can be reused in subsequent extractions. The resulting purified polyisocyanates exhibit lower viscosity compared to their crude counterparts, making them highly valuable in the production of polyurethane foams, moldings, adhesives, and coatings. His production process entails reacting a polyamide solution with a phosgene solution, followed by treatment with crosslinked polymers that contain hydroxyl or amino groups, allowing for solvent reuse.
Career Highlights
Gunther Ellendt is associated with Bayer Aktiengesellschaft, a leading company in the chemical and pharmaceutical industry. His innovative approaches have significantly advanced the efficiency and effectiveness of polyisocyanate production and purification.
Collaborations
Ellendt has collaborated with notable colleagues, including Hartmut Knofel and Berthold Keggenhoff, contributing to the development of cutting-edge technologies in his field.
Conclusion
Gunther Ellendt's work in polyisocyanate technology exemplifies the impact of innovation in the chemical industry. His patents not only enhance production processes but also contribute to the sustainability of materials used in various applications.
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.