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For the Inventor, By the Inventor

Wilmington, DE, United States of America

Roger Harquail French

This inventor holds 27 USPTO granted patents and 6 published patent applications, primarily in Ultraviolet Materials. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1995-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roger Harquail French. Retrieved from https://idiyas.com/inventor/roger-harquail-french

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

Calculating rank
USPTO Granted Patents = 27 

% Patents Active = 29.6

Average Co-Inventor Count = 2.9

ph-index = 11

Forward Citations = 406(Granted Patents)


Location History:

  • Wilmington, DE (US) (1995 - 2015)
  • Cleveland Heights, OH (US) (2013 - 2015)

Company Filing History:

goldMedal27 out of 16,339 
 
E.i. Dupont De Nemours and Company
 patents

Years Active: 1995-2015

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Areas of Expertise:
Photocrosslinkable Polymers
Optical Elements
Photovoltaic Cells
High Transparency
Fluoropolymers
Phase Shift Photomasks
Nano-Structures
Liquid Perfluoro-n-Alkanes
Radiation Durable Compounds
Polycyclic Fluoroalkanes
Ultraviolet Applications
Transmissive Embedded Phase Shifter
27 patents (USPTO):Explore Patents
1. 9169338 - Photocrosslinkable fluoropolymers, UV processes and photocrosslinked polymers (2015-10-27),
2. 9169208 - Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties (2015-10-27),
3. 9099592 - Optical element producing a modulated region of increased light intensity and optically enhanced photovoltaic cell and LED lighting device including the same (2015-08-04),
4. 8648248 - Photovoltaic assemblies incorporating an optical element having internal inclusions configured for maximum conversion efficiency (2014-02-11),
5. 8441735 - Optical element having internal inclusions configured for maximum conversion efficiency (2013-05-14),
6. 7638632 - Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties (2009-12-29),
7. 7589242 - Use of highly purified hydrocarbons in vacuum ultraviolet applications (2009-09-15),
8. 7493743 - Packages for alkanes having ultra-high transparency at 193 nm (2009-02-24),
9. 7465667 - Highly purified liquid perfluoro-n-alkanes and method for preparing (2008-12-16),
10. 7438995 - Use of partially fluorinated polymers in applications requiring transparency in the ultraviolet and vacuum ultraviolet (2008-10-21),
11. 7435528 - Processes and devices using polycyclic fluoroalkanes in vacuum and deep ultraviolet applications (2008-10-14),
12. 7402377 - Use of perfluoro-n-alkanes in vacuum ultraviolet applications (2008-07-22),
13. 7300743 - Radiation durable organic compounds with high transparency in the vacuum ultraviolet, and method for preparing (2007-11-27),
14. 7129009 - Polymer-liquid compositions useful in ultraviolet and vacuum ultraviolet uses (2006-10-31),
15. 7084314 - Polycyclic fluoroalkanes (2006-08-01),

Title: Innovations of Roger Harquail French in Molecular Structures and Photocrosslinkable Fluoropolymers

Introduction: Roger Harquail French, based in Wilmington, DE, is a renowned inventor with an impressive portfolio of 27 patents to his name. His work focuses on the development of advanced molecular structures and materials that have significant applications in various industries.

Latest Patents: Among his latest innovations are two notable patents. The first involves aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties. This invention is centered around incorporating electron-active substituents in selective positions, enabling enhanced control over the conductivity of these novel structures. The second innovation pertains to photocrosslinkable fluoropolymers, which encompass processes for crosslinking these fluoropolymers using UV radiation. The resulting photocrosslinked polymers showcase improved properties that further broaden their application potential.

Career Highlights: Roger French's career has been significantly marked by his tenure at E.I. du Pont de Nemours and Company, a leading institution in materials science and innovation. His extensive research and development efforts reflect his commitment to advancing technology and creating innovative solutions.

Collaborations: Throughout his career, Roger has collaborated with esteemed coworkers such as Robert Clayton Wheland and Weiming Qiu. These partnerships reflect a spirit of collaboration that fosters innovation and the exchange of ideas, contributing to the development of cutting-edge technologies.

Conclusion: Roger Harquail French's contributions to the fields of electron conducting materials and photocrosslinkable fluoropolymers exemplify his status as a leading inventor. His extensive patent portfolio and collaborative efforts with other inventors enhance the landscape of innovations, positioning him as a notable figure in contemporary scientific research.

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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