Location History:
- Fairfax, VA (US) (2003 - 2005)
- Kingsport, TN (US) (1989 - 2006)
Company Filing History:
6 out of 2,001 
4 out of 21,594 
2 out of 832,680 Years Active: 1989-2006
Title: Celebrating the Innovations of Larry Keith Johnson: A Pioneer in Color Chemistry
Introduction: Larry Keith Johnson, a notable inventor based in Kingsport, TN, has made significant contributions to the field of color chemistry through his innovative inventions. With a total of ten patents to his name, Johnson's work primarily revolves around the development of thermally stable anthraquinone colorants that have diverse applications in polymeric materials.
Latest Patents: Johnson's latest patents focus on thermally-stable anthraquinone colorants, which contain vinyl groups making them copolymerizable with reactive vinyl monomers. These colorant compounds are designed to produce high-performance colored polymeric compositions, such as acrylate and methacrylate materials. The compounds exhibit remarkable stability to ultraviolet (UV) light, good solubility in vinyl monomers, robust color strength, and excellent thermal stability. Additionally, Johnson has disclosed coating compositions comprising polymerizable vinyl compounds and photoinitiators, contributing to advancements in polymeric materials derived from various acrylic and methacrylic acid esters.
Career Highlights: Johnson has had a successful career working with prominent companies such as Eastman Chemical Company and Eastman Kodak Company. His extensive background in the chemical sector has equipped him with the expertise needed to innovate and patent solutions that enhance the properties of colorants and polymers.
Collaborations: Throughout his career, Larry Keith Johnson has collaborated with various professionals in the field. Noteworthy coworkers include Michael John Cyr and Max Allen Weaver, who have worked alongside him in pioneering chemical innovations.
Conclusion: Larry Keith Johnson's contributions to color chemistry through his patented inventions stand as a testament to his talent and dedication as an inventor. His work not only improves the performance of colorants and polymers but also serves as an inspiration for future innovations in the field. As he continues to develop new ideas, the impact of his inventions will undoubtedly resonate within the industry for years to come.
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.