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For the Inventor, By the Inventor

Porvoo, Finland

Esa Virtanen

This inventor holds 5 USPTO granted patents. Top assignee: Neste Oy. Active years: 1994-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Esa Virtanen. Retrieved from https://idiyas.com/inventor/esa-virtanen-2xhqd8pg

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 5.2

ph-index = 4

Forward Citations = 54(Granted Patents)


Company Filing History:

goldMedal5 out of 180 
 
Neste Oy
 patents

Years Active: 1994-1996

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5 patents (USPTO):Explore Patents
1. 5585040 - Conductive plastics material and a method for its preparation (1996-12-17),
2. 5585038 - Conductive plastics material and a method for its preparation (1996-12-17),
3. 5531932 - Metal compound/protonic acid containing electrically conductive (1996-07-02),
4. 5507977 - Conducting plastic material and method of producing such material (1996-04-16),
5. 5340499 - Electrically conductive compositions and methods for their preparation (1994-08-23),

Title: Esa Virtanen: Innovator in Conductive Plastics

Introduction

Esa Virtanen is a notable inventor based in Porvoo, Finland. He has made significant contributions to the field of conductive materials, particularly in the development of conductive plastics. With a total of 5 patents to his name, Virtanen's work is paving the way for advancements in polymer technology.

Latest Patents

One of Virtanen's latest patents is focused on a conductive plastics material and a method for its preparation. This invention relates to a conductive polymer complex that contains polyaniline or its derivatives doped with a protonic acid. The method allows for the creation of a conductive polymer with substantially reduced acidity and a sufficiently high conductivity level. This makes it suitable for processing in conventional plastics apparatus. The acidity of the conductive polymer can be minimized by incorporating both a metal compound and a neutralizing compound. The resulting conductive polymer material, which has a pH value of approximately 3-8, can be mixed with an insulating polymer to create a conductive plastics mixture. Additionally, the invention includes a method for preparing a more processable conductive polymer by adding a plasticizing agent, such as water or a C1-C3 alcohol.

Career Highlights

Esa Virtanen is currently associated with Neste Oy, a leading company in the field of renewable products. His innovative work in conductive plastics has positioned him as a key figure in the industry, contributing to the advancement of sustainable materials.

Collaborations

Virtanen has collaborated with notable colleagues, including Esko Savolainen and Jukka Laakso. These partnerships have fostered a collaborative environment that enhances the development of innovative solutions in polymer technology.

Conclusion

Esa Virtanen's contributions to the field of conductive plastics demonstrate his commitment to innovation and sustainability. His patents reflect a deep understanding of polymer science and its applications, making him a significant inventor in this domain.

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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