Location History:
- Fairfield, OH (US) (2007 - 2010)
- Cincinnati, OH (US) (2019)
- Lebanon, OH (US) (2010 - 2022)
Company Filing History:
19 out of 17,164 
12 out of 67 
1 out of 10 
Years Active: 2007-2025
Title: **The Innovative Achievements of Guiru Zhang in Dye Chemistry**
Introduction
Guiru Zhang, located in Lebanon, Ohio, is an accomplished inventor with a remarkable portfolio of 32 patents. His work primarily focuses on advancements in dye chemistry, contributing significantly to both industrial applications and the scientific community.
Latest Patents
Among his recent patents, one notable invention is titled "Oxidative dye couplers with novel auxochrome substituents and azomethine dyes and leuco forms thereof." This invention introduces a new auxochrome substituent that enhances the reactive capabilities of oxidative dye couplers, enabling the formation of azomethine and leuco dyes with desired absorbance characteristics. The manipulation of these substituents allows for desirable shifts in light absorbance, showcasing Zhang's innovative approach to dye formulation. Another significant patent is related to "Cationic direct dyes," involving compounds with specific structural elements that demonstrate exceptional washfastness for hair-dying applications. This patent further illustrates Zhang's dedication to enhancing the functionality and performance of dye products.
Career Highlights
Guiru Zhang has coalesced his expertise at reputable companies, including The Procter & Gamble Company and Noxell Corporation. His roles at these companies have allowed him to apply his innovative ideas in practical settings, leading to developments that bridge the gap between scientific research and consumer products.
Collaborations
Throughout his career, Zhang has collaborated with esteemed colleagues, including Bryan Patrick Murphy and Margaret Ann Popp. These partnerships have undoubtedly fostered an environment of creativity and mutual growth, contributing to the successful development of various inventions.
Conclusion
Guiru Zhang’s significant contributions to the field of dye chemistry, marked by his numerous patents and innovative spirit, showcase the valuable impacts of his work within the industry. His advancements continue to influence the development of effective and high-performance dye products, reinforcing the importance of innovation in this specialized field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.