Location History:
- Gladbach, DE (2002)
- Bergisch Gladbach, DE (2003 - 2005)
- Shanghai, CN (2012 - 2015)
- Mettmann, DE (2004 - 2016)
Company Filing History:
6 out of 532 
2 out of 113 
2 out of 12,157 
Years Active: 2002-2016
Title: The Innovative Contributions of Stephan Klein
Introduction
Stephan Klein is a notable inventor based in Mettmann, Germany, recognized for his significant contributions to the field of chemistry. With a total of 16 patents to his name, Klein has made substantial advancements, particularly in the preparation of urethanes. His work has had a lasting impact on various industrial applications.
Latest Patents
One of Klein's latest patents involves a novel process for the preparation of urethanes. This process utilizes oxidative carbonylation of at least one amino compound in the presence of carbon monoxide, oxygen, and an organic compound that carries at least one hydroxyl group. Notably, the carbonylation is conducted without halogen-containing promoters and employs a metal complex catalyst featuring neutral bidentate N-chelate ligands of the (N=N) type, along with two monoanionic N,O-chelate ligands or tetradentate dianionic chelate ligands.
Career Highlights
Throughout his career, Stephan Klein has worked with prominent companies such as Bayer MaterialScience AG and Haarmann & Reimer GmbH. His experience in these organizations has allowed him to refine his expertise and contribute to innovative projects that push the boundaries of chemical engineering.
Collaborations
Klein has collaborated with several talented individuals in his field, including Stefan Wershofen and Matthias Brandt. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Stephan Klein's work exemplifies the spirit of innovation in the chemical industry. His patents and collaborations reflect a commitment to advancing technology and improving industrial processes. Klein's contributions continue to influence the field and inspire future inventors.
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.