Location History:
- Norwood, MA (US) (1995 - 1996)
- Addlestone, GB (1998)
Company Filing History:
Years Active: 1995-1998
Title: The Innovative Contributions of Donna J Guarrera
Introduction
Donna J Guarrera is a prominent inventor based in Norwood, MA (US). She has made significant contributions to the field of thermographic recording and photographic systems. With a total of 4 patents to her name, her work has had a lasting impact on imaging technologies.
Latest Patents
One of her latest patents involves a novel thermographic recording film. This invention describes an image-forming system that includes a Lewis acid material, a di- or triarylmethane thiolactone dye precursor, an acidic organic material, a binder, and a thermal stabilizer. The thermographic recording films developed from this invention exhibit excellent thermal stability and desirable minimum optical densities. This indicates substantially less premature image development at elevated environmental temperatures. Additionally, embodiments of this invention that incorporate a light insensitive organic silver salt, a reducing agent, a binder, and a toning agent show significantly enhanced image density. Another notable patent describes a photographic system where the development of an exposed photosensitive element occurs in the presence of a quaternary pyridinium compound with a fused saturated carbocyclic ring.
Career Highlights
Donna J Guarrera has been associated with Polaroid Corporation, where she has furthered her research and development efforts. Her innovative work has contributed to advancements in imaging technologies, particularly in thermographic and photographic systems.
Collaborations
Throughout her career, she has collaborated with notable individuals such as John C Warner and Mark R Mischke. These collaborations have likely enriched her research and led to the development of groundbreaking technologies.
Conclusion
Donna J Guarrera's contributions to the field of imaging technology are noteworthy. Her innovative patents and collaborations reflect her dedication to advancing the industry. Her work continues to influence the development of thermographic and photographic systems.