Company Filing History:
Years Active: 1980-1989
Title: Innovations of John R Peffer
Introduction
John R Peffer is a notable inventor based in Pittsburgh, PA, with a significant contribution to the field of acrylic polymers. He holds 14 patents, showcasing his expertise and innovative spirit in developing advanced materials.
Latest Patents
One of his latest patents is titled "Method of preparing acrylic polymers containing hydrolyzable moieties." This invention discloses an ungelled acrylic resin composition that includes an acrylic polymer with at least one silicon-containing group. The composition is designed to contain easily hydrolyzable Y moieties, allowing for a specific ratio of the resin to these moieties. The preferred compositions can be cured in the presence of atmospheric moisture and a suitable catalyst at temperatures not exceeding 121 degrees Celsius within three hours. This method also encompasses a nonaqueous coating composition that utilizes the ungelled acrylic resin, further enhancing its application in various substrates.
Career Highlights
John R Peffer has made significant strides in his career at PPG Industries, Inc., where he has been instrumental in advancing acrylic resin technologies. His work has not only contributed to the company's portfolio but has also impacted the broader field of materials science.
Collaborations
Throughout his career, John has collaborated with notable colleagues, including Wen-Hsuan Chang and David T McKeough. These partnerships have fostered innovation and have led to the development of cutting-edge technologies in acrylic polymers.
Conclusion
John R Peffer's contributions to the field of acrylic polymers through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in material science and coatings.