Company Filing History:
1 out of 832,891 Years Active: 1998
Title: Innovator Spotlight: Darryl Keith Barnes and His Contributions to Photoinitiator Technology
Introduction: Darryl Keith Barnes is a notable inventor based in Des Plaines, IL, known for his innovative work in the field of polymer chemistry. With a keen focus on enhancing the capabilities of photoinitiators, Barnes has made significant strides in the development of formulations used in stereolithography, a process that has applications across various industries, including 3D printing and materials science.
Latest Patents: Barnes holds a patent for "Increasing the useful range of cationic photoinitiators in polymer precursor formulations." This invention pertains to the preparation of compositions that incorporate vinyl ether functionalized compounds and epoxy functionalized compounds. The innovation aims to include an effective amount of a cationic photoinitiator and an ultraviolet light-absorbing compound, allowing for a predetermined depth of cure. Notably, the preferred ultraviolet light-absorbing compound identified in his patent is anthracene or its derivatives, with a particular emphasis on using anthracenes that have pendant alkoxy groups for light wavelengths greater than 360 nm. Specifically, the formulation highlights 9,10-dimethoxy-2-ethyl anthracene as an optimal choice.
Career Highlights: Throughout his career, Barnes has made a substantial impact in the realm of photoinitiator technology. His contributions have paved the way for advancements in how materials are cured and utilized in various applications. The significance of his patent showcases not only his innovative spirit but also his dedication to improving existing technologies.
Collaborations: Darryl Keith Barnes has collaborated with esteemed professionals in his field, including Eugene V. Sitzmann and Russell Frank Anderson. Together, they have focused on pushing the boundaries of polymer formulations and photoinitiator usage, contributing to the overall progress in their industry.
Conclusion: Darryl Keith Barnes exemplifies the spirit of innovation within the realm of polymer chemistry and photoinitiator technology. His work, particularly the patented formulation, illustrates the importance of continuous development and collaboration in the pursuit of advancing technology. As industries evolve, the contributions of inventors like Barnes will undoubtedly play a crucial role in shaping future advancements.