Location History:
- Freiburg, DE (1987)
- Ludwigshafen, DE (1987)
- Grosse Ile, MI (US) (1989)
Company Filing History:
Years Active: 1987-1989
Title: Innovations of Joachim Jaehme in Polyester Polyols
Introduction
Joachim Jaehme is a notable inventor based in Ludwigshafen, Germany. He has made significant contributions to the field of chemistry, particularly in the development of polyester polyols. With a total of 3 patents to his name, Jaehme's work has had a considerable impact on various industrial applications.
Latest Patents
Jaehme's latest patents include a process for the preparation of polyester polyols. This innovative process involves polycondensing polycarboxylic acids and/or their anhydrides with multivalent alcohols, preferably without common esterification catalysts. The process operates at temperatures ranging from about 150°C to 250°C, optionally under reduced pressure, achieving an acid number of from 20 to 5. The resulting polycondensate is then oxyalkylated per carboxyl group using alkylene oxides, such as 1,2-propylene oxide and ethylene oxide, in the presence of tertiary amine catalysts.
Another significant patent by Jaehme focuses on the preparation of optically active carboxylic acids. This process involves reacting a ketene with an alcohol in a homogeneous liquid phase, utilizing a tertiary amine, and subsequently converting the resulting ester into the acid using an optically active alcohol.
Career Highlights
Jaehme is currently employed at BASF Aktiengesellschaft, a leading chemical company known for its innovative solutions and products. His work at BASF has allowed him to explore and develop new chemical processes that enhance the efficiency and effectiveness of polyester production.
Collaborations
Throughout his career, Jaehme has collaborated with esteemed colleagues, including Matthias Marx and Joachim Streu. These collaborations have fostered a productive environment for innovation and have contributed to the advancement of their respective fields.
Conclusion
Joachim Jaehme's contributions to the field of chemistry, particularly in polyester polyols, demonstrate his innovative spirit and dedication to advancing industrial processes. His patents reflect a commitment to enhancing chemical production methods, making him a significant figure in the industry.
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.