This inventor holds 6 USPTO granted patents. Top assignees: Ciba-Geigy Ag, Ciba-Geigy Corporation. Active years: 1977-1992.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1977-1992
Title: The Innovative Contributions of Sebastian Staubli
Introduction
Sebastian Staubli is a notable inventor based in Magden, Switzerland. He has made significant contributions to the field of chemistry, particularly in the development of processes for the purification and production of various chemical compounds. With a total of 6 patents to his name, Staubli's work has had a meaningful impact on the industry.
Latest Patents
One of Staubli's latest patents involves the purification of 2-aryl-2H-benzotriazoles. This process discloses a method in which a melt of a 2-aryl-2H-benzotriazole containing colored contaminants, or a solution thereof in an organic nonpolar solvent, is purified by treatment with a strongly acidic synthetic cationic exchange resin. Another significant patent is for the production of 4-nitrotoluene-2-sulfonic acid. This process describes the preparation of 4-nitrotoluene-2-sulfonic acid by sulfonating 4-nitrotoluene with oleum or liquid SO₃. The sulfonation is carried out continuously with oleum of at least 50% concentration or liquid 100% SO₃ while maintaining a conversion of 4-nitrotoluene in the reaction mixture at ≥90% throughout the reaction. This process is inherently non-polluting and provides the product in high yield with low sulfuric acid content, making it suitable for further production without additional purification.
Career Highlights
Throughout his career, Sebastian Staubli 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 various innovative projects in the chemical industry.
Collaborations
Staubli has collaborated with notable colleagues, including Hans Horisberger and Gottfried Seifert. These partnerships have fostered a collaborative environment that has led to the advancement of their respective fields.
Conclusion
Sebastian Staubli's innovative work and contributions to the field of chemistry are commendable. His patents reflect a commitment to developing efficient and environmentally friendly processes. His collaborations and career experiences further enhance his reputation as a significant figure in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile