Location History:
- CM Amsterdam, NL (1993 - 1994)
- Amsterdam, NL (1991 - 1995)
Company Filing History:
Years Active: 1991-1995
Title: The Innovative Patents of Johannes J. Keijsper
Introduction
Johannes J. Keijsper, based in Amsterdam, Netherlands, is a prolific inventor with a remarkable portfolio of 20 patents. His contributions to the fields of polymer chemistry and catalysis are noteworthy, showcasing his commitment to advancing industrial processes and materials science.
Latest Patents
Among his recent breakthroughs, Keijsper has developed an improved gas-phase polymerization process. This innovative technique focuses on the production of linear alternating polymers from carbon monoxide and ethylenically unsaturated hydrocarbons. A key feature of this method is the use of a novel supported catalyst, where the physical properties and dimensions of the catalyst support maintain a specific mathematical relationship. Notably, the average particle size of the particulate catalyst support, when raised to the power of its relative bulk density, must yield a value less than 30.
Another significant patent pertains to the preparation of copolymers. In this process, carbon monoxide reacts with one or more ethylenically unsaturated compounds under polymerizable conditions, notably in the substantial absence of liquid non-polymerizable diluents. This method employs a catalyst system consisting essentially of specific components to enhance the efficiency and effectiveness of copolymer production.
Career Highlights
Keijsper's career is further distinguished by his role at Shell Oil Company, where his expertise has contributed to the development of advanced materials and chemical processes. His innovative approaches have positioned him as a key figure in the acceleration of research within the petroleum industry, focusing on sustainable and efficient polymer production.
Collaborations
Throughout his career, Keijsper has collaborated with notable figures in the field, including colleagues Alexander W. van der Made and Eit Drent. Their collective efforts in research and development have spurred advancements in polymer technologies and have fostered an environment of innovation within their projects.
Conclusion
Johannes J. Keijsper's contributions to polymer chemistry and catalysis mark him as a significant inventor. His recent patents reflect a forward-thinking approach to materials science, emphasizing sustainability and efficiency. As he continues to further his research at Shell Oil Company, Keijsper's work is bound to inspire future innovations in the industry.