Company Filing History:
Years Active: 1983
Title: Renate Hoppe: Innovator in Photographic Additives
Introduction
Renate Hoppe is a notable inventor based in Berlin, Germany. She has made significant contributions to the field of photography through her innovative processes. Her work focuses on the introduction of hydrophobic photographic additives, which are essential for improving the quality and stability of photographic materials.
Latest Patents
Renate Hoppe holds a patent for a process titled "Process for the introduction of hydrophobic photographic additives." This invention relates to the introduction of water-insoluble photographic additives, particularly dye couplers, in aqueous media using high-boiling organic solvents. The aim of her invention is to develop an improved method for incorporating these additives into gelatin or other hydrophilic bonding agents, resulting in stable dispersions suitable for storage. The invention utilizes phosphonic acid diamides, methane bisphosphonic acid diamides, phosphonic acid esters, and other related compounds as high-boiling solvents.
Career Highlights
Renate Hoppe has worked at Veb Filmfabrik Wolfen, where she has been able to apply her expertise in photographic technology. Her innovative approach has led to advancements in the field, particularly in the stability and quality of photographic products.
Collaborations
Throughout her career, Renate has collaborated with notable colleagues such as Lothar Kuhnert and Burkhard Costisella. These collaborations have contributed to the development of her patented processes and have enhanced the overall impact of her work in the industry.
Conclusion
Renate Hoppe's contributions to the field of photographic additives demonstrate her innovative spirit and dedication to improving photographic technology. Her patent reflects a significant advancement in the introduction of hydrophobic additives, showcasing her role as a leading inventor in this specialized area.