Wilmington, DE, United States of America

Dupont Performance Elastomers LLC


USPTO Granted Patents = 29

% Expired Patents = 55.2



Trademarks = 3

Forward Citations = 95

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25 inventors (with patents filed for the assignee):

goldMedal Steven Richard Oriani (6 out of 31 patents)

silverMedal Ming-Hong Hung (3 out of 63 patents)

bronzeMedal Phan Linh Tang (3 out of 14 patents)

4.  Michael Cregg Coughlin (3 out of 10 patents)

5.  Patrick Luigi Paglia (3 out of 6 patents)

6.  Donald Frederick Lyons (3 out of 12 patents)

7.  Royce Elton Ennis (3 out of 9 patents)

8.  Bunichi Rai (2 out of 5 patents)

9.  Terry Wayne Redwine (2 out of 3 patents)

10.  Avinash C Gadkari (2 out of 2 patents)

11.  Furman Eugene Glenn (2 out of 2 patents)

12.  Kohtaro Takahashi (2 out of 5 patents)

13.  Yuji Onodera (2 out of 2 patents)

14.  George Richard Chapman, Jr (2 out of 7 patents)

15.  Walter Werner Schmiegel (2 out of 32 patents)


Core Competencies:
Fluorosilicon Polymer
Perfluoroelastomer
Polycaprolactone
Chlorosulfonated Polyolefin
Fluoropolymer
UV Curable Elastomer
Biodiesel Fuel
Emulsion Polymerization
Coagulation
Processing Aid
Grafted Fluoroelastomers
Low Temperature Applications

29 patents:

Company Overview
Dupont Performance Elastomers LLC specializes in the development and manufacturing of high-performance elastomers and polymers. The company focuses on providing innovative solutions for various industries, including automotive, industrial, and consumer markets. With a strong emphasis on research and technology, Dupont Performance Elastomers is dedicated to advancing material science to enhance product performance and sustainability. Headquartered in Wilmington, Delaware, the organization leverages its expertise to meet the evolving needs of its global clientele.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Dupont Performance Elastomers LLC USPTO Patent Assignee Logo
29 Patents

#159 in Wilmington, DE

#194 in Delaware

#11,625 in US

#22,552 in the World

Wilmington, DE (US)
Wilmington, DE, United States of America
Forward Citations = 95

25 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dupont Performance Elastomers LLC. Retrieved from https://idiyas.com/company/dupont-performance-elastomers

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

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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