Company Filing History:
2 out of 21,594 
Years Active: 1977-1981
Title: Howell Allen Hammond: A Pioneer in Photographic Couplers
Introduction
Howell Allen Hammond, an innovative inventor based in Rochester, NY, has made significant contributions to the field of photography through his inventive prowess. With three patents to his name, Hammond's work primarily focuses on improving photographic elements and materials, enhancing the quality and versatility of photographic images.
Latest Patents
Hammond's latest patents include innovations related to blocked pyrazolone magenta dye-forming couplers. The patented technology involves silver halide elements containing blocked pyrazolone magenta dye-forming agents, which yield alkali-soluble or colorless reaction products. The coupler moiety in this invention is strategically joined to the enol oxygen of the 5-pyrazolone, with the displacement occurring during processing due to a reaction with oxidized color developing agents. This mechanism effectively activates the 5-pyrazolone coupler, ensuring high reactivity and remarkable resistance to aerial contaminants such as formaldehyde. These advancements allow for seamless incorporation into photographic emulsions and elements, substantially enhancing photographic capabilities.
Career Highlights
Throughout his career, Hammond has been aligned with the Eastman Kodak Company, a prestigious organization renowned for its impact on the photographic industry. His innovative contributions have played a crucial role in the company's advancements in photographic technology.
Collaborations
Hammond has had the opportunity to collaborate with notable colleagues, including Jared B Mooberry and Wilbert J Humphlett. Their teamwork within the realm of photographic inventions has contributed to the successful development and patenting of groundbreaking technologies.
Conclusion
In summary, Howell Allen Hammond stands out as a significant figure in the photography sector, with patents that underline his innovative spirit. His work at the Eastman Kodak Company, along with collaborations with esteemed coworkers, demonstrates his commitment to advancing photographic technology and making lasting contributions to the field.
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.