This inventor holds 3 USPTO granted patents. Top assignee: Ciba-Geigy Corporation. Active years: 1989-1991.
Location History:
- Aesch, CH (1989 - 1990)
- Aesch, DE (1991)
Company Filing History:
Years Active: 1989-1991
Title: The Innovations of Hans Gempeler
Introduction
Hans Gempeler is a notable inventor based in Aesch, Switzerland. He has made significant contributions to the field of epoxy resin compositions, holding a total of 3 patents. His work has advanced the applications of epoxy resins, particularly in powder resin coating.
Latest Patents
Gempeler's latest patents include innovative epoxy resin compositions. One of his notable inventions is an epoxy resin composition that comprises an epoxy resin which is solid at room temperature and contains on average more than one epoxy group per molecule. This composition utilizes a quaternary pyrrolidinium salt as an advancement catalyst. When advanced with compounds containing two phenolic hydroxyl groups, these compositions yield excellent products of low viscosity, suitable for use in powder resin coating. Another patent features a similar epoxy resin composition, but it employs a quaternary morpholinium salt as the advancement catalyst, achieving comparable results in terms of viscosity and application.
Career Highlights
Hans Gempeler has been associated with Ciba-Geigy Corporation, where he has contributed to various projects and innovations in the field of chemistry and materials science. His expertise in epoxy resin technology has positioned him as a key figure in the development of advanced materials.
Collaborations
Gempeler has collaborated with Arnold Hofer, working together on various projects that leverage their combined expertise in resin technology.
Conclusion
Hans Gempeler's contributions to epoxy resin compositions have significantly impacted the industry, showcasing his innovative spirit and dedication to advancing material science. His patents reflect a commitment to developing high-quality products that meet modern application needs.