Company Filing History:
Years Active: 1976-1988
Title: Rolf Muller: Innovator in Chemical Processes
Introduction
Rolf Muller is a distinguished inventor based in Aesch, Switzerland. He has made significant contributions to the field of chemistry, particularly in the preparation of various chemical compounds. With a total of 9 patents to his name, Muller has established himself as a key figure in his industry.
Latest Patents
Muller's latest patents include a process for the preparation of a mixture of 1-amino-2-chloro-4-hydroxyanthraquinone and 1-amino-2-bromo-4-hydroxyanthraquinone. This innovative process involves chlorinating and brominating 1-aminoanthraquinone and subsequently reacting the intermediate with concentrated or fuming sulfuric acid. Another notable patent is for the preparation of aromatic hydroxy compounds, which starts from halogenated aromatic compounds. This process replaces the halogen atoms with hydroxyl groups through treatment with concentrated sulfuric acid, along with the addition of an aldehyde at elevated temperatures. The resulting aromatic hydroxy compounds serve as intermediates in the manufacture of disperse and vat dyes.
Career Highlights
Rolf Muller has been associated with Ciba-Geigy Corporation, where he has applied his expertise in chemical processes. His work has not only advanced the field but has also contributed to the development of new materials and products.
Collaborations
Muller has collaborated with notable colleagues such as Rudolf Mory and Armand Roueche. These partnerships have fostered innovation and have led to the successful development of various chemical processes.
Conclusion
Rolf Muller is a prominent inventor whose work in chemical processes has had a lasting impact on the industry. His innovative patents and collaborations highlight his commitment to advancing chemical science.