Company Filing History:
Years Active: 1996-2007
Title: The Innovative Contributions of Donald Riley
Introduction
Donald Riley is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of toner processes, holding a total of 3 patents. His work has been instrumental in advancing technologies used in printing and imaging.
Latest Patents
Riley's latest patents focus on innovative toner processes. One of his patents describes a toner process that involves mixing a colorant dispersion with a latex, a wax dispersion, and a coagulant. The polymer latex used in this process possesses a weight average molecular weight ranging from about 20,000 to about 55,000, with a number average molecular weight between about 5,000 and about 18,000. Additionally, it features an onset glass transition temperature Tg of from about 40°C to about 80°C, and a particle size distribution PSD of from about 50 to about 500 nanometers. Another patent outlines a toner process that includes mixing a colorant dispersion with a latex, a wax dispersion, and a coagulant, where the polymer in the latex has a gel content of from about 0.5 to about 4.5 weight percent. This polymer also has a melt flow index (MFI) of from about 20 to about 45 grams/10 minutes at temperatures ranging from about 115°C to about 145°C.
Career Highlights
Donald Riley is currently employed at Xerox Corporation, where he continues to innovate in the field of toner technology. His work has contributed to the development of more efficient and effective printing solutions.
Collaborations
Riley has collaborated with several talented individuals in his field, including Peter Van Nguyen and Chieh-Min Cheng. These collaborations have further enhanced the quality and impact of his inventions.
Conclusion
Donald Riley's contributions to toner processes exemplify the spirit of innovation in the printing industry. His patents reflect a deep understanding of materials and processes that enhance printing technology.