Company Filing History:
3 out of 191 
3 out of 1,008 
2 out of 165 Years Active: 1982-2002
Title: The Innovations of Charles W. Sandefur
Introduction
Charles W. Sandefur is a notable inventor based in Summerville, SC (US). He has made significant contributions to the field of pigment technology, holding a total of 9 patents. His work has had a lasting impact on the industry, particularly in the preparation and conditioning of organic pigments.
Latest Patents
Among his latest patents are the "Process for the Preparation of Perylene Pigments" and the "Method for Conditioning Organic Pigments." The latter invention relates to a process for preparing pigment compositions by conditioning an organic pigment at temperatures ranging from about 50 to about 200 degrees Celsius. These innovations showcase his expertise and dedication to advancing pigment technology.
Career Highlights
Throughout his career, Charles has worked with prominent companies such as Mobay Chemical Corporation and Bayer Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of the chemical and pigment industries.
Collaborations
Charles has collaborated with notable coworkers, including Thomas J. Thomas and Brian L. Thompson. Their combined efforts have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Charles W. Sandefur's contributions to pigment technology through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence the field and inspire future innovations.