Company Filing History:
Years Active: 1996-1997
Title: Paolo Vacca: Innovator in Photographic Materials
Introduction
Paolo Vacca is a notable inventor based in Vado Ligure, Italy. He has made significant contributions to the field of photographic materials, holding a total of 2 patents. His work focuses on innovative solutions that enhance the quality and functionality of photographic products.
Latest Patents
Vacca's latest patents include a silver halide photographic material comprising pyridinium carbamoyl. This invention relates to a silver halide photographic material that includes a support and at least one silver halide emulsion layer. The material features tabular silver halide grains with an average aspect ratio higher than 3:1, which are dispersed in highly deionized gelatin. Additionally, it incorporates a pyridinium carbamoyl hardener with a specific chemical structure that enhances the performance of the photographic material.
Another significant patent is a process for preparing carbamoyl pyridinium compounds. This process involves synthesizing compounds where the pyridine ring carries a sulfoalkyl group. The method includes reacting a pyridine sulfonic acid with a carbamoyl chloride in the presence of a tert.-amine compound in a ketone solvent. The reaction yields carbamoyl pyridinium compounds that can be recovered in high purity and yield.
Career Highlights
Paolo Vacca is associated with the Minnesota Mining and Manufacturing Company, a leading organization in the field of materials science and innovation. His work at this company has allowed him to develop and patent groundbreaking technologies that contribute to advancements in photographic materials.
Collaborations
Throughout his career, Vacca has collaborated with notable colleagues such as Mark P. Kirk and Stefano Parodi. These collaborations have fostered an environment of innovation and creativity, leading to the development of new technologies in the field.
Conclusion
Paolo Vacca's contributions to the field of photographic materials through his patents and collaborations highlight his role as an influential inventor. His innovative approaches continue to shape the industry and inspire future advancements.