Cologne, Germany

Walther Cohnen

This inventor holds 2 USPTO granted patents, plus 1 CIPO patent. Top assignees: Agfa-Gevaert Ag, Miles Inc.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Walther Cohnen. Retrieved from https://idiyas.com/inventor/walther-cohnen

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 = 3.7

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1990

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2 patents (USPTO):Explore Patents

Title: Walther Cohnen: Innovator in Coating Processes

Introduction

Walther Cohnen is a notable inventor based in Cologne, Germany. He has made significant contributions to the field of coating processes, particularly in the development of methods for applying coatings to hydrophobic materials. With a total of 2 patents, his work has had a considerable impact on various industries.

Latest Patents

Cohnen's latest patents include a process for trouble-free coating of hydrophobic materials. This invention relates to a method for achieving a flaw-free and uniform coating on supports that can accept a large amount of electrostatic charge, such as polycarbonate foils. The process involves prior coating of the polycarbonate foil with an organic solution of the sodium salt of polystyrenesulphonic acid. Another significant patent is for a multilayered color photographic material that is alkali soluble. This process ensures that sticking of semi-finished preparations does not occur when the uppermost layer applied in the first stage contains polymer particles soluble in alkali, with an average particle diameter ranging from 0.2 to 5.0 micrometers.

Career Highlights

Throughout his career, Walther Cohnen has worked with prominent companies such as Agfa-Gevaert AG and Miles Inc. His experience in these organizations has allowed him to refine his expertise in coating technologies and contribute to innovative solutions in the field.

Collaborations

Cohnen has collaborated with notable professionals in his field, including Prem Lalvani and Diethart Lademann. These collaborations have further enhanced his work and contributed to the advancements in coating processes.

Conclusion

Walther Cohnen's contributions to the field of coating processes demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to solving complex challenges in material science.

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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