Company Filing History:
Years Active: 1976-1991
Title: Innovations of Karlheinz Pfoertner
Introduction
Karlheinz Pfoertner is a notable inventor based in Basel, Switzerland. He has made significant contributions to the field of chemistry, particularly in the area of catalytic processes. With a total of 7 patents to his name, Pfoertner's work has had a considerable impact on various industries.
Latest Patents
One of his latest patents is titled "Process for the catalytic oxidation of isoprenoids having allylic groups." This invention focuses on a process for the catalytic oxidation of isoprenoids that contain at least one allylic hydrogen atom. The process involves reacting the isoprenoid with oxygen or an oxygen-containing gas in an inert solvent, in the presence of a specific N-hydroxydicarboxylic acid imide. This innovative method is suitable for the manufacture of steroids, vitamins, odorant substances, carotenoids, and similar compounds. Another significant patent involves "Compounds of o-(6-hydroxy-3-oxo-3H-thio(seleno)xanthen-9-yl)benzene." This patent describes compounds that serve as photosensitizers for converting tachysterol into previtamin D, effectively reducing the tachysterol content in mixtures through UV-irradiation.
Career Highlights
Karlheinz Pfoertner is currently associated with Hoffmann-La Roche Inc., a leading company in the pharmaceutical and biotechnology sectors. His work at this esteemed organization has allowed him to further his research and development efforts in innovative chemical processes.
Collaborations
Throughout his career, Pfoertner has collaborated with notable colleagues, including Karl Bernauer and Hans-Jurgen Hansen. These collaborations have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Karlheinz Pfoertner's contributions to the field of chemistry through his innovative patents demonstrate his expertise and commitment to advancing scientific knowledge. His work continues to influence various applications 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.