This inventor holds 5 USPTO granted patents and 2 EPO patents. Top assignees: Bayer Materialscience Ag, Bayer Aktiengesellschaft. Active years: 2003-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Krefeld, DE (2003 - 2007)
- Shanghai, CN (2007 - 2009)
Company Filing History:
Years Active: 2003-2009
Title: Rudolf Uchdorf: Innovator in Diamine and Polyamine Production
Introduction
Rudolf Uchdorf is a notable inventor based in Shanghai, China. He has made significant contributions to the field of chemical engineering, particularly in the production of diamines and polyamines. With a total of 5 patents to his name, Uchdorf's work has had a considerable impact on the industry.
Latest Patents
Uchdorf's latest patents include a process for preparing diamines and polyamines from the diphenylmethane series. This invention provides an improved method by reacting aniline and formaldehyde in the presence of an acid catalyst. The improvement involves using aniline that contains less than about 3 wt. % of diamines and polyamines from the diphenylmethane series, based on the weight of the aniline. Another significant patent is for the production of di- and polyamines of the diphenylmethane series. This process relates to producing mixtures of di- and polyamines containing less than 1,000 ppm of water and less than 200 ppm of aniline. This is achieved by reacting aniline and formaldehyde in the presence of acid catalysts, followed by the separation of the acid catalyst and distillative separation of water and aniline through a two-stage distillation process.
Career Highlights
Throughout his career, Uchdorf has worked with prominent companies such as Bayer MaterialScience AG and Bayer Aktiengesellschaft. His experience in these organizations has allowed him to refine his expertise in chemical processes and innovations.
Collaborations
Uchdorf has collaborated with notable professionals in his field, including Daniel Koch and Fritz Pohl. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Rudolf Uchdorf's contributions to the field of chemical engineering, particularly in the production of diamines and polyamines, highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving industrial processes, making him a significant figure in his area of expertise.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile