Company Filing History:
Years Active: 1989
Title: Hermann Dallman: Innovator in Polyester Film Technology
Introduction
Hermann Dallman is a notable inventor based in Wiesbaden-Naurod, Germany. He has made significant contributions to the field of materials science, particularly in the development of polyester films for magnetic tape applications. His innovative work has led to the creation of a patented technology that enhances the performance of magnetic tapes.
Latest Patents
Dallman's most recent patent is for a multi-layer polyester film designed specifically for magnetic tape. This coextruded, biaxially draw-oriented film boasts a total thickness of no more than 10 µm. The film's surface roughness on the side intended for the application of an information-carrying coating has an R_a value (DIN 4768) of less than or equal to 0.010 µm. Conversely, the opposite side of the film, which is not intended for coating, has an R_a value greater than 0.010 µm. Additionally, the film exhibits an E-modulus in the machine direction of greater than or equal to 6500 N/mm².
Career Highlights
Hermann Dallman is associated with Hoechst Aktiengesellschaft, a prominent company in the chemical and pharmaceutical industry. His work at Hoechst has allowed him to focus on innovative materials that have practical applications in various technologies.
Collaborations
Throughout his career, Dallman has collaborated with notable colleagues, including Hartmut Hensel and Werner Schafer. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Hermann Dallman's contributions to the field of polyester film technology exemplify the impact of innovation in materials science. His patented multi-layer polyester film for magnetic tape represents a significant advancement in the industry.