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For the Inventor, By the Inventor

Rochester, NY, United States of America

Donald H Wadsworth

This inventor holds 7 USPTO granted patents. Top assignee: Eastman-Kodak Company. Active years: 1977-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald H Wadsworth. Retrieved from https://idiyas.com/inventor/donald-h-wadsworth

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 33(Granted Patents)


Company Filing History:

goldMedal7 out of 21,604 
 
Eastman-Kodak Company
 patents

Years Active: 1977-1986

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7 patents (USPTO):Explore Patents
1. 4577024 - Oxoindolizine and oxoindolizinium compounds useful as dyes (1986-03-18),
2. 4450093 - Indolizinone dyes and compositions, elements and methods using same (1984-05-22),
3. 4446223 - Recording and information record elements comprising oxoindolizine and (1984-05-01),
4. 4373021 - Indolizinone dyes and compositions, elements and methods using same (1983-02-08),
5. 4368247 - Photographic materials and processes comprising oxoindolizine and (1983-01-11),
6. 4128422 - Cyclopropenone vesicular imaging composition, element and process (1978-12-05),
7. 4021475 - Synthesis of aryl ethers of bis(hydroxymethyl) ether (1977-05-03),

Title: The Innovative Contributions of Donald H. Wadsworth

Introduction

Donald H. Wadsworth is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of imaging through his innovative patents. With a total of 7 patents to his name, Wadsworth has focused on developing novel compounds that enhance imaging technologies.

Latest Patents

Wadsworth's latest patents include the development of oxoindolizine and oxoindolizinium compounds, which are useful as dyes. These compounds are particularly valuable in imaging applications, such as laser recording and reading. The dyes are synthesized through various methods, including the reaction of cyclopropenones with pyridine compounds and the use of color-forming couplers. Another significant patent involves indolizinone dyes and compositions, which detail methods for forming images by reacting cyclopropenones with di- or tri-halogenated compounds in the presence of pyridine. This innovative approach allows for the controlled decomposition of cyclopropenones in areas exposed to activating radiation, preventing unwanted dye reactions.

Career Highlights

Wadsworth has spent a considerable part of his career at Eastman Kodak Company, where he has been instrumental in advancing imaging technologies. His work has not only contributed to the company's portfolio but has also pushed the boundaries of what is possible in the field of imaging.

Collaborations

Throughout his career, Wadsworth has collaborated with notable colleagues, including George L. Fletcher, Jr. and Steven L. Bender. These collaborations have fostered an environment of innovation and have led to the successful development of various imaging technologies.

Conclusion

Donald H. Wadsworth's contributions to the field of imaging through his patents and collaborations have made a lasting impact. His innovative work continues to influence the development of advanced imaging technologies.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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