Company Filing History:
2 out of 283 
1 out of 832,891 Years Active: 1995-1999
Title: Yuo-Guo Pan: Innovator in Hair Dye Compositions
Introduction
Yuo-Guo Pan is a notable inventor based in Stamford, CT, who has made significant contributions to the field of hair dye compositions. With a total of three patents to his name, he has focused on developing innovative solutions that enhance the effectiveness and safety of hair coloring products.
Latest Patents
His latest patents include formulations for hair dye compositions that utilize anthraquinone dyes with specific chemical structures. These compositions combine neutral anthraquinone compounds with semipermanent direct dyes, providing effective solutions for hair dyeing. The methods he developed for dyeing hair with these anthraquinone hair dyes are particularly useful, as they allow for a more vibrant and lasting color. The compounds he has patented may be advantageously employed with direct dyes, showcasing his innovative approach to hair coloring.
Career Highlights
Throughout his career, Yuo-Guo Pan has worked with Clairol Incorporated, where he contributed to the development of hair care products. His work has been instrumental in advancing the science behind hair dye formulations, making them safer and more effective for consumers.
Collaborations
Yuo-Guo Pan has collaborated with notable professionals in his field, including Mu-Ill Lim and Linas R Stasaitis. These collaborations have further enriched his research and development efforts, leading to innovative advancements in hair dye technology.
Conclusion
Yuo-Guo Pan's contributions to the field of hair dye compositions reflect his dedication to innovation and quality. His patents and collaborations highlight his role as a key figure in the development of effective hair coloring solutions.