Paul Krien

Title: Paul Krien: Innovator in Greasy Product Measurement

Introduction

Paul Krien is a notable inventor based in Verrieres Le Buisson, France. He has made significant contributions to the field of measurement technology, particularly in the analysis of greasy products. His innovative approach has led to the development of a unique method that enhances the understanding of greasy substances on various surfaces.

Latest Patents

Paul Krien holds a patent for a "Method and apparatus for measuring a quantity of a greasy product." This invention involves applying a take-up strip to the element being investigated, such as the skin or hair of a living subject. The strip is designed to measure the quantity of light reflected from its matt side before and after it comes into contact with the greasy product. The data collected allows for the determination of the greasy product's quantity on the surface being analyzed. The detection system utilizes a phototransistor, with the output processed by an analog/digital converter linked to a programmable computer. This innovative method provides a brightness curve that reflects the greasy aspect of hair from root to tip.

Career Highlights

Paul Krien is associated with L'Oréal, a leading company in the beauty and cosmetics industry. His work at L'Oréal has allowed him to apply his inventive skills in a practical setting, contributing to advancements in product measurement and analysis.

Collaborations

Throughout his career, Paul has collaborated with esteemed colleagues such as Jean-Pierre Yquel and Jean-Francois Grollier. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Paul Krien's contributions to the measurement of greasy products demonstrate his innovative spirit and dedication to advancing technology in the beauty industry. His patent reflects a significant step forward in understanding how greasy substances interact with various surfaces.