Company Filing History:
Years Active: 2014-2016
Title: **Doris Neumann: Pioneering Innovations in Hydrogenation Processes**
Introduction
Doris Neumann, an esteemed inventor located in Offenbach, Germany, has made significant contributions to the field of chemical engineering. With two patents to her name, she has developed innovative methods that demonstrate her expertise in catalytic processes.
Latest Patents
One of Doris Neumann's notable patents is the **Method for hydrogenating nitroaromatic systems with selected platinum catalysts**. This method focuses on the catalytic hydrogenation of aromatic nitro compounds into their corresponding amines using hydrogen, enhanced by a modified supported platinum catalyst. This catalyst features tungsten and phosphorus compounds that possess an oxidation state of less than 5, allowing for high yields and selectivities in the reaction.
Another significant patent is the **Method for preparing cyclic ketones**, which describes the hydrogenation of optionally substituted phenols with one hydroxyl group to produce cyclohexanones. This innovation highlights the use of palladium-comprising supported catalysts in selected alcoholic solvents, achieving high selectivity and enabling the recycling of the catalysts with minimal loss of selectivity—an advancement that marks a new milestone in catalyst recycling.
Career Highlights
Doris Neumann has built her career at Allessa GmbH, where her research and development efforts in chemical processes underscore her role as a key contributor to the company's innovations. Her commitment to advancing hydrogenation techniques continues to propel the boundaries of what is possible in chemical synthesis.
Collaborations
Throughout her career, Doris has worked alongside talented colleagues such as Joachim Ritzer and Gunther Effenberger, collaborating on various research projects. These partnerships have enriched her work and have played a crucial role in furthering the advancements in catalytic methods.
Conclusion
Doris Neumann's contributions to the field of chemistry through her patents and innovative methods underline her status as a prominent inventor. With her continued efforts at Allessa GmbH, she is set to drive further innovations in hydrogenation processes, embodying the spirit of progress in chemical engineering.