Company Filing History:
Years Active: 1987-1988
Title: Lothar Janssen: Innovator in Acrylic Acid Ester Preparation
Introduction
Lothar Janssen is a notable inventor based in Breuberg, Germany. He has made significant contributions to the field of chemical engineering, particularly in the preparation of esters of acrylic acid and methacrylic acid. With a total of two patents to his name, Janssen's work has implications for various industrial applications.
Latest Patents
Janssen's latest patents include innovative methods for preparing esters of acrylic acid and methacrylic acid. The first patent describes a method of preparing an ester of (meth)acrylic acid through transesterification with an alcohol. This process involves reacting a (meth)acrylic acid ester formed from an alcohol of 1 to 4 carbon atoms with a transesterifying alcohol, which is not a polybasic alcohol and is different from the alcohol portion of the (meth)acrylic acid ester. This reaction occurs in the presence of a catalyst system comprised of specific compounds. The second patent outlines a method for preparing an ester of (meth)acrylic acid with a polyhydric alcohol. This method also involves transesterification and utilizes a metal compound catalyst system.
Career Highlights
Lothar Janssen is currently employed at Rohm GmbH Chemische Fabrik, where he continues to innovate in the field of chemical processes. His expertise in the preparation of esters has positioned him as a valuable asset to his company and the industry at large.
Collaborations
Throughout his career, Janssen has collaborated with notable colleagues, including Fritz Schlosser and Peter J. Arndt. These collaborations have likely contributed to the advancement of his research and the successful development of his patents.
Conclusion
Lothar Janssen's contributions to the field of chemical engineering, particularly in the preparation of acrylic acid esters, highlight his innovative spirit and dedication to advancing industrial processes. His patents reflect a commitment to improving chemical methodologies, making him a significant figure in his field.