Wilmington, DE, United States of America

Andrew Edward Feiring

This inventor holds 85 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 7 EPO patents, primarily in Fluoropolymer Technology (CPC class 526247). Top assignees: E.i. Dupont De Nemours and Company, Compact Membrane Systems, Inc., The Chemours Company Fc, LLC. Active years: 1977-2025.

USPTO Granted Patents = 85 

% Patents Active = 68.2

 

 

Average Co-Inventor Count = 2.6

ph-index = 19

Forward Citations = 1,014(Granted Patents)

Forward Citations (Not Self Cited) = 961(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 1977-2025

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Areas of Expertise:
Fluoropolymer
Gas Separation
Photoresists
Electrically Conductive
Microlithography
Fluorinated Copolymers
Membrane Separation
Stabilizers
Terpenoid
Hydrofluoroalkanesulfonic
Dendrimers
Surfactants
85 patents (USPTO):Explore Patents

Title: Andrew Edward Feiring - Innovator in Fluoropolymer Technology

Introduction

Andrew Edward Feiring is a distinguished inventor based in Wilmington, DE, USA. With an impressive portfolio of 84 patents, he has made significant contributions to the field of materials science, particularly in fluoropolymers and ionomers. His innovative work has paved the way for advancements in various industrial applications.

Latest Patents

Among his latest patents, Feiring has developed gas permeable fluoropolymers and ionomers. This novel copolymer technology incorporates a first repeat unit that is fluorinated and cyclic, along with a second repeat unit derived from a trifluorovinyl methylene ether monomer. The inclusion of sulfur or sulfone functionalities in the pendant group enhances the gas permeability of these copolymers, making them particularly effective in the cathode structures of proton exchange membrane fuel cells.

Another notable patent focuses on epoxide and fluorinated epoxide stabilizers for fluoroolefins. This invention describes compositions consisting of fluoroolefins combined with effective amounts of stabilizers, which can be epoxides, fluorinated epoxides, oxetanes, or mixtures thereof with other stabilizers. These stabilized compositions hold potential uses in diverse applications, including refrigeration, air-conditioning, chillers, heat pumps, foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants.

Career Highlights

Throughout his career, Andrew Feiring has worked with several leading companies in the industry, including E.I. du Pont de Nemours and Company and The Chemours Company FC, LLC. His dedication to research and development within these esteemed organizations has solidified his reputation as a leading innovator in the field.

Collaborations

Feiring has collaborated with notable colleagues, including Viacheslav Alexandrovich Petrov and Frank L Schadt III. These partnerships have played a significant role in enhancing the creativity and efficacy of his research efforts, further pushing the boundaries of innovation in polymer science.

Conclusion

Andrew Edward Feiring's extensive patent portfolio and collaboration with major companies reflect his commitment to innovation and advancement in materials science. His work on gas permeable fluoropolymers, ionomers, and stabilizers showcases the potential impact he has made on various industries, ensuring a legacy of innovation that will influence future developments.

Profile summary based on public USPTO records.
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