Company Filing History:
3 out of 180 
1 out of 6,662 
1 out of 1,384 Years Active: 1987-1995
Title: Rolf Schrader: Pioneer in Aluminoxane Innovation
Introduction
Rolf Schrader, an accomplished inventor based in Unna, Germany, has made significant contributions to the field of chemical engineering. With a total of five patents to his name, his innovations primarily focus on the preparation and application of aluminoxanes, which are essential in developing highly active polymerization catalysts.
Latest Patents
Two of Rolf Schrader's most recent patents showcase his expertise and innovation in the chemistry of aluminum compounds. The first patent, titled "Process for preparing solutions of oligomeric methylaluminoxanes," details a method for preparing these solutions, which contain trimethylaluminum in both free and complexed forms. This process is carried out in hydrocarbons through the partial hydrolysis of trimethylaluminum with water, utilizing a rotor/stator reaction machine. The product obtained is aimed at enhancing the performance of polymerization catalysts.
The second patent, "Process for the preparation of aluminoxanes," describes a novel approach to creating aluminoxanes by metering water into a solution of trialkylaluminum within an inert solvent. This innovative method employs a mixing nozzle and a static mixer, particularly a jet loop reactor, to ensure optimal reaction conditions.
Career Highlights
Throughout his career, Rolf Schrader has had the opportunity to work with prestigious companies such as Witco Corporation and Hoechst Aktiengesellschaft. His roles at these organizations have solidified his reputation as a leading figure in chemical patent innovations.
Collaborations
Rolf Schrader’s journey in the innovation landscape has been marked by valuable collaborations with notable professionals such as Stefan Gurtzgen and Jurgen Schneider. These partnerships have played a significant role in the development of his patented processes and have contributed to advancements in the use of aluminoxanes.
Conclusion
Rolf Schrader's impressive portfolio of patents and his contributions to the field of chemical engineering highlight his role as a significant innovator in the preparation of aluminoxanes. His latest inventions not only demonstrate his expertise but also reflect the potential applications of his work in improving polymerization catalysts. Through collaboration and dedication, Rolf Schrader continues to inspire and advance the realm of chemical innovation.