Company Filing History:
Years Active: 1976-1992
Title: An Insight into the Innovations of Rudolf Polster
Introduction: Rudolf Polster, an accomplished inventor based in Frankenthal, Germany, has made significant contributions to the field of pigment technology. With a remarkable portfolio of 13 patents, he specializes in the preparation and transformation of copper phthalocyanine pigments, which are crucial in various applications, particularly in printing inks.
Latest Patents: Among his latest patents, Rudolf Polster has focused on innovative methods for obtaining strong, transparent, and readily dispersible copper phthalocyanine pigments. One notable patent details a process involving the grinding of crude pigment in the presence of an organic liquid at temperatures between 90 to 140 degrees Celsius. This method results in pigments that demonstrate excellent flow characteristics when used in printing inks. Another significant patent outlines a technique for transforming crude copper phthalocyanines into a pigmentary state. This process requires treating finely divided, poorly crystallized, and highly aggregated crude copper phthalocyanines with an organic solvent, followed by a defined shear treatment. This method allows for precise control over the conditioning process, leading to improved homogeneity of the final pigment suspension.
Career Highlights: Rudolf Polster has spent a significant portion of his professional career with BASF Aktiengesellschaft, a leading company in the chemical industry, where he continues to push the boundaries of pigment innovation. His persistent research and technological advancements have not only enriched the company's product offerings but have also made substantial contributions to the field of material sciences.
Collaborations: Throughout his career, Rudolf has collaborated with notable colleagues, including Joachim Kranz and Wolf D. Fechner. These collaborations have been vital in fostering an environment of innovation and have led to the successful development of various patented technologies in pigment manufacturing.
Conclusion: Rudolf Polster stands out as an influential inventor dedicated to advancing the field of copper phthalocyanine pigments. With his extensive patent portfolio and impactful collaborations, he continues to inspire future innovations in the industry. His work at BASF Aktiengesellschaft exemplifies the importance of research and development in creating efficient and effective pigment solutions.