Location History:
- Hofheim am Taunus, DE (1989 - 1991)
- Konigstein, DE (1990 - 1995)
- Konigstein/Taunus, DE (1990 - 1997)
Company Filing History:
Years Active: 1989-1997
Title: **Hans-Rolf Dubal: Innovator in Liquid-Crystal Technologies**
Introduction
Hans-Rolf Dubal is a prominent inventor based in Königstein/Taunus, Germany. With an impressive portfolio of 25 patents, Dubal has significantly contributed to the field of liquid-crystal technology and materials science. His inventions focus mainly on optically active compounds that enhance the performance of liquid-crystal mixtures, particularly for ferroelectric applications.
Latest Patents
Among Dubal's latest patents are innovative compounds known as optically active 1,3-dioxolane derivatives that carry a mesogenic radical. These compounds, defined by their general formula, serve as doping agents in liquid-crystal mixtures, leading to advancements in ferroelectric liquid-crystal applications. Another patent focuses on the use of optically active, mesogenic 1,3-dioxolane-4-carboxylates as effective dopes in liquid-crystalline ferroelectric phases. These enhancements result in remarkably short switching times and large electroclinic coefficients, crucial for the future of liquid-crystal displays. Their unique property of inducing a helix of very large pitch removes the need for additional compensation by further dopes, while also showcasing high UV stability.
Career Highlights
Hans-Rolf Dubal's career is marked by his work at Hoechst Aktiengesellschaft, a global leader in chemical and pharmaceutical innovation. His dedication to research has led to significant advancements in liquid-crystal technologies, impacting both commercial and scientific applications.
Collaborations
Throughout his career, Dubal has collaborated with notable colleagues, including Dieter Ohlendorf and Claus Escher. These partnerships have fostered an environment of innovation and have contributed to the successful development of new technologies and patents in the liquid-crystal sector.
Conclusion
As an inventor, Hans-Rolf Dubal continues to make a profound impact on the field of liquid-crystal technology. With a dedicated focus on optically active compounds, his patents play a vital role in enhancing the performance of liquid crystals, paving the way for future innovations in display technologies and beyond. His contributions underscore the importance of collaboration and ongoing research in advancing the boundaries of science and technology.
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.