This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignees: Ciba-Geigy Corporation, Ciba-Geigy Ag. Active years: 1984-1996.
Company Filing History:
Years Active: 1984-1996
Title: The Innovative Contributions of Arnold Hofer
Introduction
Arnold Hofer is a notable inventor based in Muttenz, Switzerland. He has made significant contributions to the field of epoxy resin technology, holding a total of 6 patents. His work focuses on developing advanced materials that have practical applications in various industries.
Latest Patents
Among his latest patents, Hofer has developed epoxy resin mixtures containing advancement catalysts. These compositions consist of an epoxy resin that is liquid at room temperature and has more than one epoxy group per molecule. When advanced with compounds having two phenolic hydroxyl groups, these products exhibit low viscosity and good viscosity stability, making them ideal for surface protection, particularly as binders for coatings and paints. Additionally, he has disclosed novel epoxy resins that can be obtained by reacting liquid or semi-solid aromatic epoxy resins with aliphatic diols, followed by a reaction with mono- or binuclear bisphenols in the presence of a cyclic quaternary ammonium salt.
Career Highlights
Hofer has had a distinguished career, working with prominent companies such as Ciba-Geigy Corporation and Ciba-Geigy AG. His experience in these organizations has allowed him to refine his expertise in the development of innovative materials.
Collaborations
Throughout his career, Hofer has collaborated with notable colleagues, including Hans Gempeler and Rene Graf. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Arnold Hofer's contributions to the field of epoxy resins demonstrate his innovative spirit and commitment to advancing material science. His patents reflect a deep understanding of chemical processes and their applications in real-world scenarios.