This inventor holds 2 USPTO granted patents. Top assignees: Agfa-Gevaert Ag, Bayer Aktiengesellschaft. Active years: 1978-1994.
Company Filing History:
Years Active: 1978-1994
Title: Rolf Dheim: Innovator in Thermosublimation Printing and Plastics Stabilization
Introduction
Rolf Dheim is a notable inventor based in Krefeld, Germany. He has made significant contributions to the fields of thermosublimation printing and plastics stabilization. With a total of 2 patents, Dheim's work has had a lasting impact on these industries.
Latest Patents
Dheim's latest patents include a dye acceptor element for thermosublimation printing. This invention allows for dye transfers of high color density, excellent sharpness, and good stability. The dye acceptor layer consists essentially of a polyurethane formed by crosslinking, characterized by containing at least 5% by weight urethane groups (--O--CO--NH--). Another significant patent involves stabilizer mixtures. This invention teaches the use of mixtures of neutral esters of phosphorous acid with oxetane compounds. It also provides a method for improving the retention of light transmission in plastics, particularly polycarbonate, by incorporating these mixtures.
Career Highlights
Throughout his career, Rolf Dheim has worked with prominent companies such as Bayer Aktiengesellschaft and Agfa-Gevaert AG. His experience in these organizations has contributed to his expertise and innovative capabilities in his field.
Collaborations
Dheim has collaborated with notable coworkers, including Erich Eimers and Wolfgang Cohnen. These partnerships have likely fostered a creative environment that has led to the development of his patents.
Conclusion
Rolf Dheim's contributions to thermosublimation printing and plastics stabilization demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology in these areas.