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For the Inventor, By the Inventor

Le Perreux-sur-Marne, France

Maurice E Pfaff

This inventor holds 8 USPTO granted patents. Top assignee: Eastman-Kodak Company. Active years: 1976-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Maurice E Pfaff. Retrieved from https://idiyas.com/inventor/maurice-e-pfaff

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 43(Granted Patents)


Location History:

  • Vincennes, FR (1976)
  • Le Perreux, FR (1977)
  • Le Perreux-sur-Marne, FR (1981 - 1996)

Company Filing History:

goldMedal8 out of 21,604 
 
Eastman-Kodak Company
 patents

Years Active: 1976-1996

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8 patents (USPTO):Explore Patents
1. 5552265 - Reversal color photographic material with a fine grain sublayer (1996-09-03),
2. 4729943 - Color image-forming photographic reversal element with improved (1988-03-08),
3. 4315986 - Photographic emulsions and elements capable of forming direct-positive (1982-02-16),
4. 4306017 - Photographic emulsions and elements capable of forming direct-positive (1981-12-15),
5. 4306016 - Photographic emulsions and elements capable of forming direct-positive (1981-12-15),
6. 4047953 - Color diffusion transfer employing silver salt transfer reversal and (1977-09-13),
7. 4047952 - Imagewise soluble silver salt intensification of diffusion transfer (1977-09-13),
8. 3954853 - Substituted phenoxy-3-chloro-malealdehydic acids (1976-05-04),

Title: The Innovative Contributions of Maurice E. Pfaff

Introduction

Maurice E. Pfaff is a notable inventor based in Le Perreux-sur-Marne, France. She has made significant contributions to the field of photography, particularly in the development of reversal color photographic materials. With a total of 8 patents to her name, Pfaff's work has had a lasting impact on photographic technology.

Latest Patents

One of her latest patents is for a reversal color photographic material with a fine grain sublayer. This invention relates to a reversal color photographic print material that comprises a support with, in order, a substantially light-insensitive fine grain emulsion layer that does not take part in the image formation. It includes a red-sensitive emulsion layer with an associated cyan-forming coupler, a green-sensitive emulsion layer with a magenta-forming coupler, and a blue-sensitive emulsion layer with a yellow-forming coupler. This innovative arrangement allows for the adjustment of the characteristic curve of the red, green, and blue-sensitive emulsion layers. Another significant patent is for a color image-forming photographic reversal element with improved features, which comprises at least two dye image-forming units, with at least one unit comprising advanced technology.

Career Highlights

Pfaff has had a distinguished career, primarily working with Eastman Kodak Company. Her work has been instrumental in advancing photographic materials and processes, making her a key figure in the industry.

Collaborations

Throughout her career, Pfaff has collaborated with notable individuals such as Roger M. Baralle and Marcel A. Compere. These collaborations have contributed to her innovative projects and the successful development of her patents.

Conclusion

Maurice E. Pfaff's contributions to the field of photography through her patents and collaborations highlight her innovative spirit and dedication to advancing photographic technology. Her work continues to influence the industry today.

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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