Location History:
- Sisteron, FR (1987)
- des Combes, FR (1991)
Company Filing History:
Years Active: 1987-1991
Title: The Innovative Contributions of Jean-Daniel Andre
Introduction
Jean-Daniel Andre is a notable inventor based in Sisteron, France. He has made significant contributions to the field of chemistry, particularly in the development of processes for synthesizing various chemical compounds. With a total of 3 patents to his name, Andre's work has had a meaningful impact on the industry.
Latest Patents
One of his latest patents is a process for the preparation of morphinane derivatives. This invention involves the demethylation of a 3-methoxylated compound using a sulfonic acid, such as methanesulfonic acid or trifluoromethanesulfonic acid, in the presence of a sulfide. Another significant patent focuses on the process for preparing α-hydroxy-alkanoic acids. This process entails treating an α,α-dihalogenated ketone with an aqueous solution of an alkali metal hydroxide and a non-polar organic solvent, conducted at specific temperatures to yield the desired acid.
Career Highlights
Throughout his career, Jean-Daniel Andre has worked with prominent companies, including Sanofi and Industria Chimica Prodotti Francis S.p.a. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Andre has collaborated with notable colleagues such as Alain Heymes and Pierre-Jean Grossi. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Jean-Daniel Andre's contributions to the field of chemistry through his patents and collaborations highlight his innovative spirit and dedication to advancing scientific knowledge. His work continues to influence the industry and inspire future inventors.
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