This inventor holds 2 USPTO granted patents. Top assignees: V M E I 'Lenin' Quartal Darvenitza, Vmei 'Lenin'. Active years: 1989-1990.
Company Filing History:
Years Active: 1989-1990
Title: Dimiter T Butchkov: Innovator in Thermostable Amorphous Ferromagnetic Powders
Introduction
Dimiter T Butchkov is a notable inventor based in Sofia, Bulgaria. He has made significant contributions to the field of materials science, particularly in the development of thermostable amorphous ferromagnetic powders. With a total of 2 patents, his work has implications for various applications in magnetic media.
Latest Patents
Butchkov's latest patents focus on an apparatus and method for the manufacture of thermostable amorphous ferromagnetic powders. These powders contain iron, cobalt, or nickel, and include xylene in volumes ranging from 0.2 to 25%. The composition also features up to 20% chrome and boron by weight, along with lithium or magnesium in amounts from 0.1 to 2.0% by weight. The resulting powder is resistant to oxidation at temperatures up to 250°C and has a specific surface area of up to 160 m²/g. The manufacturing method involves the reduction of a solution containing various metal salts and a complexing agent, utilizing sodium borohydride as a reductant in the presence of sodium hydroxide. The process is conducted under a magnetic field, protected by an organic hydrophobic substance, xylene.
Career Highlights
Throughout his career, Butchkov has worked with several organizations, including V M E I 'Lenin' and Quartal Darvenitza. His experience in these institutions has contributed to his expertise in the field of ferromagnetic materials.
Collaborations
Some of his notable coworkers include Yovka D Dragieva and Zvetan K Nikolov. Their collaborative efforts have likely enhanced the research and development of innovative materials.
Conclusion
Dimiter T Butchkov's work in the field of thermostable amorphous ferromagnetic powders showcases his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to developing technologies that have practical applications in magnetic media.