Company Filing History:
Years Active: 1987-1999
Title: The Innovations of Erika Spriewald
Introduction
Erika Spriewald is a notable inventor based in Leverkusen, Germany. She has made significant contributions to the field of photographic processing, holding a total of 4 patents. Her work focuses on improving the efficiency and quality of photographic materials.
Latest Patents
One of her latest patents is a bleach-fixing bath for color photographic material. This innovative bath contains a phosphonocarboxylic acid with at least two carboxylic acid groups per molecule, making it lower in odor and more stable than conventional bleaching baths. Another significant patent is a photographic processing method that eliminates the need for washing while maintaining excellent photographic properties. This method prevents the deposition of precipitate in the stabilizing bath when using the bleach-fixing bath.
Career Highlights
Erika Spriewald has had a successful career at Agfa-Gevaert AG, where she has been instrumental in developing advanced photographic processing techniques. Her expertise has led to improvements in the quality and usability of photographic materials.
Collaborations
Throughout her career, Erika has collaborated with esteemed colleagues such as Heinz Meckl and Gunter Renner. These partnerships have fostered innovation and have contributed to the advancement of photographic technology.
Conclusion
Erika Spriewald's contributions to photographic processing have made a lasting impact on the industry. Her innovative patents and collaborative efforts continue to shape the future of photographic materials.