Company Filing History:
Years Active: 1983-1990
Title: Everhard Gratzfeld: Innovator in Iron Blue Pigments
Introduction
Everhard Gratzfeld is an esteemed inventor based in Wesseling, Germany. He has made significant contributions to the field of pigment chemistry, particularly with his innovative work on iron blue pigments. With a total of three patents to his name, Gratzfeld has paved the way for advancements in color strength and pigment production processes.
Latest Patents
Gratzfeld's most recent patents focus on an iron blue pigment characterized by its unique chemical composition. One of his notable inventions details a pigment with an ammonium content of approximately 5.5% by weight, along with minimal sodium and potassium contents. This iron blue is noted for having a color strength in toluene intaglio printing ink that exceeds the standard Vossen blue 705/80 by up to 15%. Additionally, his patents describe a process for producing iron blue pigment through white paste precipitation followed by oxidation, utilizing alkali or alkali metal ions, cyanide, and iron ions as raw materials.
Career Highlights
Gratzfeld works for Degussa Aktiengesellschaft, a prominent company that specializes in high-performance materials and chemicals. His innovative approach to pigment technology has positioned him as a leader in his field, ensuring that his contributions are recognized by peers and industry professionals alike.
Collaborations
Throughout his career, Gratzfeld has collaborated with talented colleagues, including Eva Clausen and Helmut Reinhardt. Their teamwork has been instrumental in the successful development of advanced pigment formulations and processes, highlighting the importance of collaboration in scientific research.
Conclusion
Everhard Gratzfeld's dedication to innovation in iron blue pigment technology reflects his commitment to enhancing color strength and production efficiency. With three patents and a career spent at Degussa Aktiengesellschaft, he continues to influence the field of pigment chemistry through his inventive processes and collaborations. Gratzfeld serves as an inspiring figure for aspiring inventors and industry professionals alike.