Company Filing History:
Years Active: 1980-2000
Title: The Innovations of Charles E Jandrue, Sr.
Introduction
Charles E Jandrue, Sr. is a notable inventor based in Norwood, MA (US). He has made significant contributions to the field of photographic products and processes. With a total of 3 patents to his name, Jandrue has developed innovative solutions that enhance the capabilities of photographic technology.
Latest Patents
One of Jandrue's latest patents involves a novel class of bridged indicator dyes. These dyes possess absorption in the infrared region of the electromagnetic spectrum. They are useful as light-absorbing, pH-sensitive optical filter agents in diffusion transfer photographic processes. These processes are adapted to be performed in the presence of ambient light, making them versatile for various applications. Additionally, these indicator dyes find utility in titrations and other analytical techniques where pH-sensitive indicator dyes are employed, particularly where infrared absorption is beneficial.
Career Highlights
Jandrue has spent a significant portion of his career at Polaroid Corporation, a company renowned for its innovations in photography. His work has contributed to advancements in photographic technology, particularly in the development of products that utilize his patented dyes.
Collaborations
Throughout his career, Jandrue has collaborated with notable colleagues, including Marcis M Kampe and Myron S Simon. These collaborations have likely fostered an environment of innovation and creativity, leading to the development of groundbreaking photographic technologies.
Conclusion
Charles E Jandrue, Sr. is a distinguished inventor whose work in photographic products has left a lasting impact on the industry. His innovative patents and contributions to Polaroid Corporation highlight his dedication to advancing photographic technology.