Location History:
- Harding, PA (US) (1984)
- Alfeld/L., DE (1992 - 1993)
- Alfeld, DE (1985 - 1996)
Company Filing History:
Years Active: 1984-1996
Title: The Innovative Mind of Reinhard Kassner
Introduction
Reinhard Kassner, a notable inventor based in Alfeld, Germany, is recognized for his contributions to the field of optics and glass technology. With seven patents to his name, Kassner has significantly advanced the development of high-refractive-index ophthalmic glasses, particularly those used in multifocal lenses.
Latest Patents
One of his latest inventions is a high-refractive-index glass designed specifically for the close-vision part of multifocal spectacles, including phototropic multifocal lenses. This innovative glass features a composition that includes varying percentages of oxides such as SiO₂, B₂O₃, Li₂O, Na₂O, K₂O, CaO, SrO, BaO, ZnO, PbO, TiO₂, and ZrO₂. The product boasts a refractive index ranging from 1.66 to 1.81 and an expansion coefficient of 5.7 to 6.8 x 10⁻⁶ K⁻¹. In addition, it has a softening point between 650°C and 700°C and a glass transition temperature (Tg) ranging from 520°C to 560°C, making it suitable for advanced optical applications.
Career Highlights
Throughout his career, Kassner has been associated with prominent companies in the glass manufacturing industry, including Deutsche Spezialglas AG and Schott Glass Technologies, Inc. His work has focused on developing innovative glass solutions that enhance visual clarity and comfort for users of multifocal lenses.
Collaborations
Reinhard Kassner's achievements can also be attributed to his collaborations with talented colleagues in the field. Notably, he has worked alongside Werner Behr and Karl-Heinz Mader, who have contributed their expertise and insights to his innovative projects.
Conclusion
Reinhard Kassner stands out as an influential inventor in the realm of ophthalmic glass technology. His groundbreaking patents reflect a commitment to advancing optical materials that improve the quality of vision for countless individuals. With a career marked by significant collaborations and contributions, Kassner continues to inspire future innovations in glass and optics.