This inventor holds 3 USPTO granted patents. Top assignee: Ciba-Geigy Corporation. Active years: 1979-1985.
Location History:
- Oberwil, CH (1979 - 1980)
- Biel-Benken, CH (1985)
Company Filing History:
Years Active: 1979-1985
Title: Innovations by Urs Buchel: A Pioneer in Dye Formulations
Introduction
Urs Buchel is a notable inventor based in Oberwil, Switzerland. He has made significant contributions to the field of dye formulations, holding a total of 3 patents. His work focuses on creating innovative solutions that enhance the quality and usability of dyes in various applications.
Latest Patents
Urs Buchel's latest patents include groundbreaking formulations and processes. One of his notable inventions is the development of solid disperse dye formulations containing non-ionic dispersants. This invention relates to formulations that do not contain anionic dispersants and comprise one or more disperse dyes with a particle size of less than 5 µm. The non-ionic dispersants selected for these formulations include fatty alcohol ethoxylates, fatty amine ethoxylates, and polyvinylpyrrolidones. These formulations are particularly suitable for preparing organic printing pastes and inks for textile and transfer printing.
Another significant patent involves a process for producing dust-free granules of dyes and optical brighteners. This process entails subjecting pulverulent dyes or optical brighteners to a dynamic treatment with a melt or solution of ethylene carbonate or propylene carbonate. The resulting preparations maintain their dust-binding effect over time and are completely soluble in aqueous baths.
Career Highlights
Urs Buchel has had a distinguished career at Ciba-Geigy Corporation, where he has been instrumental in advancing dye technology. His innovative approaches have led to the development of products that meet the evolving needs of the textile industry. His expertise in dye formulations has positioned him as a key figure in this specialized field.
Collaborations
Throughout his career, Urs has collaborated with esteemed colleagues such as Hanspeter Baumann and Hans Mollet. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Urs Buchel's contributions to dye formulations and processes have significantly impacted the industry. His innovative patents reflect his commitment to enhancing the quality and functionality of dyes. His work continues to inspire advancements in textile printing and dye technology.