Company Filing History:
Years Active: 1976-1982
Title: Innovations by Hans Scheidegger in Textile Dyeing
Introduction
Hans Scheidegger is a notable inventor based in Binningen, Switzerland. He has made significant contributions to the field of textile dyeing, holding a total of 4 patents. His innovative approaches have advanced the methods used in dyeing textile materials, showcasing his expertise and creativity.
Latest Patents
Among his latest patents, Scheidegger has developed a process for the dyeing of textile material by the exhaust method. This process begins at a pH value between 6 and 12 and concludes at a pH value between 3 and 7. It is characterized by the addition of an inorganic acid during dyeing, which lowers the pH value by at least 1 unit. Additionally, after dyeing, the exhausted bath can be reused for dyeing after the addition of alkali, dye, and other auxiliaries. He has also patented a process for dyeing cellulose-containing fiber materials, particularly focusing on dyeing paper with an aqueous dye liquor that contains at least one cationic or basic dye.
Career Highlights
Throughout his career, Hans Scheidegger has worked with prominent companies such as Ciba-Geigy Corporation and Ciba-Geigy AG. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in textile dyeing technologies.
Collaborations
Scheidegger has collaborated with notable individuals in his field, including Hermann Flensberg and Roland Bauhofer. These partnerships have likely enriched his work and led to innovative solutions in textile dyeing.
Conclusion
Hans Scheidegger's contributions to textile dyeing through his patents and collaborations highlight his role as a significant inventor in this field. His innovative processes continue to influence the industry and improve dyeing techniques.