Location History:
- Webster, NY (US) (1976)
- Rochester, NY (US) (1976 - 1993)
Company Filing History:
8 out of 21,594 
1 out of 7,865 
Years Active: 1976-1993
Title: The Innovations of Donald W. Heseltine
Introduction
Donald W. Heseltine is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of photography through his innovative patents. With a total of 9 patents, his work has had a lasting impact on photographic technology.
Latest Patents
One of his latest patents involves the development of white light handleable negative-acting silver halide photographic elements. These UV-sensitive elements are designed for use in contacting processes, particularly in dry etch correction processes. They can be safely handled under white light, which is a significant advancement in the field. The elements consist of a support base and a negative acting hydrophilic colloidal silver halide emulsion layer that includes photographic silver halide grains. Additionally, they feature one or more hydrophilic colloidal layers, with an antihalation layer that comprises a water-removable UV-absorbing compound. This compound has significant absorption in the range of 350 to 400 nm, showcasing the innovative nature of his work.
Career Highlights
Throughout his career, Donald W. Heseltine has worked with prominent companies such as Eastman Kodak Company and Minnesota Mining and Manufacturing Company. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in photographic technology.
Collaborations
He has collaborated with notable individuals in the industry, including Wayne W. Weber, II and Wilbur S. Gaugh. These collaborations have further enriched his work and expanded the scope of his innovations.
Conclusion
Donald W. Heseltine's contributions to the field of photography through his patents and collaborations highlight his role as a significant inventor. His innovative work continues to influence the industry and pave the way for future advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.