Ekeren, Belgium

Roger Henri Vrydaghs

This inventor holds 1 USPTO granted patent. Top assignee: Agfa Gevaert Nv. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roger Henri Vrydaghs. Retrieved from https://idiyas.com/inventor/roger-henri-vrydaghs

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Roger Henri Vrydaghs: Innovator in Photographic Materials

Introduction

Roger Henri Vrydaghs is a notable inventor based in Ekeren, Belgium. He has made significant contributions to the field of photography through his innovative patents. His work primarily focuses on improving photographic materials, particularly in color photography.

Latest Patents

Roger holds a patent for a photographic material that contains 3-anilino-5-pyrazolylalkylcarbonate. This invention describes the use of 3-anilino-5-pyrazolyl alkylcarbonates and arylcarbonates as color coupler precursor compounds. These compounds are designed for use in silver halide color photography and are notable for containing no active methylene group. This characteristic prevents them from participating in undesirable side-reactions before color development. Roger has 1 patent to his name.

Career Highlights

Roger is associated with Agfa Gevaert NV, a company renowned for its advancements in imaging technology. His work at Agfa Gevaert has allowed him to contribute to the development of innovative photographic solutions that enhance the quality and reliability of color photography.

Collaborations

Throughout his career, Roger has collaborated with esteemed colleagues, including Marcel J Monbaliu and Raphael K Van Poucke. These collaborations have fostered a creative environment that encourages the exchange of ideas and advancements in photographic technology.

Conclusion

Roger Henri Vrydaghs is a distinguished inventor whose work has significantly impacted the field of photography. His innovative patent for photographic materials showcases his commitment to enhancing color photography. His contributions continue to influence the industry and inspire future innovations.

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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