Hans Lehmann is a notable inventor based in Aesch, Switzerland. He has made significant contributions to the field of chemistry, particularly in the development of epoxy adhesives. With a total of 9 patents to his name, Lehmann's work has had a lasting impact on adhesive technology.

Latest Patents

Lehmann's latest patents include innovative formulations that enhance the performance of epoxy adhesives. One of his notable inventions is the development of adducts of epoxides and amines. These adducts are created by reacting cycloaliphatic or heterocycloaliphatic polyamines with polyfunctional epoxides. This reaction produces hardeners that are particularly effective for epoxy adhesives, especially those used with metals and thermosetting plastics. Another significant patent involves (acylthiopropyl)phenols, which can serve as latent hardeners for epoxy resins. These compounds are designed to improve the properties of single-component adhesive formulations, providing excellent hot water resistance.

Career Highlights

Hans Lehmann has had a distinguished career at Ciba-Geigy Corporation, where he has been instrumental in advancing adhesive technologies. His innovative approaches have led to the creation of products that meet the demanding requirements of various industrial applications. His expertise in chemistry and materials science has positioned him as a leader in his field.

Collaborations

Throughout his career, Lehmann has collaborated with esteemed colleagues such as Helmut Zondler and Ferdinand Gutekunst. These partnerships have fostered a creative environment that has led to numerous advancements in adhesive technology.

Conclusion

Hans Lehmann's contributions to the field of adhesive technology through his patents and collaborations have significantly influenced the industry. His innovative work continues to pave the way for future developments in epoxy adhesives.

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