Company Filing History:
6 out of 153 
4 out of 13 Years Active: 1977-1984
Title: Alfred Freissmuth: Innovator in Desulfurization Technology
Introduction
Alfred Freissmuth is a notable inventor from Trostberg, Germany, recognized for his contributions to desulfurization technology. He holds a total of 10 patents, showcasing his innovative spirit and dedication to improving industrial processes.
Latest Patents
One of his latest patents is a desulfurization agent designed specifically for iron melts. This invention is based on calcium carbide and diamide lime, featuring a diamide lime that has been post-treated by flotation or air sifting. The preferred diamide lime contains 18 to 40% of free carbon. Another significant patent involves a desulfurization mixture and process for desulfurizing pig iron. This process utilizes a desulfurization agent that consists primarily of calcium carbide, a gas-evolving component, and fluorspar. The advantages of this process include reduced dust pollution and minimized risk of flaming during the handling of slag after the desulfurization of pig iron.
Career Highlights
Throughout his career, Freissmuth has worked with prominent companies such as SKW Trostberg Aktiengesellschaft and Süddeutsche Kalkstickstoff-Werke Aktiengesellschaft. His work in these organizations has significantly contributed to advancements in chemical engineering and metallurgy.
Collaborations
Freissmuth has collaborated with notable coworkers, including Heinrich Rock and Walter Meichsner. Their combined expertise has fostered innovation in their respective fields.
Conclusion
Alfred Freissmuth's contributions to desulfurization technology have made a lasting impact on the industry. His innovative patents and collaborations reflect his commitment to advancing chemical processes.