Location History:
- Visp, CH (1992 - 1998)
- Brig-Glis Schweiz, CH (2004)
- Glis, CH (2006 - 2008)
- Brig-Glis, CH (1999 - 2021)
Company Filing History:
13 out of 165 
12 out of 605 
1 out of 2 Years Active: 1992-2021
Title: Paul Hanselmann: A Pioneer in Chemical Innovations
Introduction:
Paul Hanselmann, a renowned inventor hailing from Brig-Glis, Switzerland, has made significant contributions to the field of chemical innovations. With an impressive number of 27 patents under his belt, Hanselmann's expertise and creativity have revolutionized the industry. This article explores his latest patents, highlights his remarkable career, and sheds light on his notable collaborations.
Latest Patents:
Among his numerous patents, two recent breakthroughs stand out: the method for the preparation of 1,4-sorbitan and the method for the preparation of 5-fluoro-2-methyl-3-nitrobenzoic acid and its methyl ester.
The method for the preparation of 1,4-sorbitan involves the dehydration of D-sorbitol, removing one equivalent of water, leading to cyclization. This ingenious process is followed by a treatment with ethanol and isopropanol. This patent has the potential to greatly impact the production of 1,4-sorbitan, which finds applications in various industries.
In his second patent, Hanselmann discloses a method for the preparation of 5-fluoro-2-methyl-3-nitrobenzoic acid and its methyl ester. This involves the conversion of 5-fluoro-2-methylbenzoic acid with fuming nitric acid and oleum, followed by a subsequent conversion with methanol. This innovative method has promising applications in pharmaceutical and chemical synthesis.
Career Highlights:
Hanselmann has proven himself as a leading expert in his field, contributing to advancements in the chemical industry throughout his illustrious career. In addition to his inventive prowess, he has held notable positions at renowned companies. Hanselmann lent his talents to Lonza AG and Lonza Inc., where his valuable contributions brought about significant developments and improved processes.
Collaborations:
Collaborations often fuel innovation, and Paul Hanselmann has forged partnerships with notable individuals in the field. Among his esteemed coworkers are Stefan Hildbrand and Wolfgang Wenger. Working alongside these visionary individuals, Hanselmann has undoubtedly benefited from their collective expertise and shared passion for scientific exploration.
Conclusion:
Paul Hanselmann's remarkable portfolio of 27 patents and his invaluable contributions to chemical innovation have solidified his standing as a remarkable inventor. His groundbreaking methods for the preparation of 1,4-sorbitan and 5-fluoro-2-methyl-3-nitrobenzoic acid and its methyl ester have the potential to shape industries and enhance numerous processes. With an impressive career at Lonza AG and Lonza Inc., and collaborations with other talented individuals, Hanselmann's impact on the field of chemical innovation is far-reaching and will continue to inspire future advancements.