Company Filing History:
7 out of 328 
2 out of 462 
Years Active: 1977-1986
Title: The Innovations of Donald H. Thorpe
Introduction
Donald H. Thorpe is a notable inventor based in Williamsville, NY (US), recognized for his contributions to the field of chemical engineering and materials science. With a total of nine patents to his name, Thorpe has made significant advancements in the development of novel materials, particularly in the area of color developer systems for carbonless copy paper.
Latest Patents
Thorpe's latest patents include innovative formulations such as "Aromatic carboxylic acid and metal-modified phenolic resins and methods." This patent discloses novel metal-modified phenolic resins that are particularly useful in the color developer part of a carbonless copy paper system. The invention details methods for preparing these resins, which are reaction products of an aromatic carboxylic acid and a partial condensation reaction product of a phenol and an aldehyde. The addition of metal-containing compounds enhances the performance of the color developer materials, which are coated on a paper substrate, improving the overall efficacy of pressure-sensitive recording paper systems.
Another significant patent is the "Process for metal modified phenolic novolac resin." This patent describes a complex coordination compound of a novolac phenolic resin with various metals, including zinc, copper, and cobalt. The resin product is designed for use as a color developer in chemical carbonless copying sheet systems, showcasing Thorpe's innovative approach to enhancing material properties.
Career Highlights
Throughout his career, Donald H. Thorpe has worked with prominent companies such as Hooker Chemicals & Plastics Corporation and Occidental Chemical Corporation. His experience in these organizations has contributed to his expertise in chemical processes and material development.
Collaborations
Thorpe has collaborated with notable colleagues, including Victor F. Cooke and James W. Ginter. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Donald H. Thorpe's contributions to the field of materials science and chemical engineering are evident through his numerous patents and innovative solutions. His work continues to influence the development of advanced materials in the industry.