Patrick Andrillon

Title: The Innovative Contributions of Patrick Andrillon

Introduction

Patrick Andrillon is a notable inventor based in Aulnay-sous-Bois, France. He has made significant contributions to the field of hair dyeing through his innovative patents. With a total of nine patents to his name, Andrillon has focused on developing new compounds that enhance the dyeing process.

Latest Patents

Among his latest patents, Andrillon has introduced para-phenylenediamines that can be used in oxidative hair dyeing. These new para-phenylenediamines provide useful 'background' green shades, which are essential for achieving desired hair colors. The compounds he developed have a specific formula where 'n' is an integer ranging from 2 to 6, and 'R' represents an unsubstituted or mono- or poly-hydroxy substituted linear or branched alkylene group containing up to six carbon atoms. Additionally, he has created dyeing compositions that include 3-amino-4-nitroanisole derivatives. These compositions, which can be formulated in an aqueous, alcoholic, or aqueous-alcoholic vehicle, allow for the production of yellow shades with high chromaticity and excellent fastness to light and washing.

Career Highlights

Throughout his career, Patrick Andrillon has worked with prominent companies in the beauty industry, including L'Oréal and Société Anonyme Dite: L'Oréal. His work has significantly impacted the development of hair dye products, making them more effective and appealing to consumers.

Collaborations

Andrillon has collaborated with notable colleagues such as Andree Bugaut and Jean F. Grollier. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.

Conclusion

Patrick Andrillon's innovative work in the field of hair dyeing has led to the development of new compounds and compositions that enhance the dyeing process. His contributions continue to influence the beauty industry, showcasing the importance of innovation in product development.