Location History:
- Muttenz, CH (1978 - 1979)
- Basel, CH (1979 - 2003)
Company Filing History:
41 out of 6,850 
1 out of 1,524 
Years Active: 1978-2003
Title: The Innovative Mind of Hans Zweifel: A Pioneer in Polyolefin Stabilization
Introduction: Hans Zweifel, an esteemed inventor based in Basel, Switzerland, has made significant contributions to the field of polymer science. With a remarkable portfolio of 42 patents, Zweifel's work primarily focuses on the stabilization of polyolefins. His innovative approaches have provided solutions that enhance the durability and performance of polymer materials in various applications.
Latest Patents: Among his latest patents, Zweifel has developed a process for the stabilization of polyolefins that are in permanent contact with extracting media. This process involves a specially selected mixture comprising an organic phosphite or phosphonite paired with a group of sterically hindered phenols or certain sterically hindered amines. Additionally, he has formulated a selected three-component mixture that combines a phosphite or phosphonite, a phenolic antioxidant, and another group of sterically hindered amines. This innovative stabilizer is particularly effective for polyolefin moldings, ensuring excellent stability under demanding conditions.
Career Highlights: Zweifels' career features tenures at notable companies, including Ciba-Geigy Corporation and Ciba Specialty Chemicals Corporation. His work at these organizations has allowed him to leverage cutting-edge research and development resources, contributing significantly to advancements in polymer technology.
Collaborations: Throughout his career, Hans Zweifel collaborated closely with esteemed colleagues like Daniel Bellus and Vratislav Kvita. These partnerships have fostered a creative environment, promoting groundbreaking inventions that address the challenges faced in the industry today.
Conclusion: Hans Zweifel’s inventive spirit and dedication to innovation have left an indelible mark on the world of polymer science. With a solid foundation in both practical and theoretical aspects of chemistry, his patents continue to influence the development of more stable and efficient polyolefin products. Zweifel's work not only exemplifies the essence of innovation but also paves the way for future advancements in this crucial field.
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.