For the Inventor, By the Inventor

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Wilmington, DE, United States of America

Dupont Performance Elastomers LLC

USPTO Granted Patents = 29

% Expired Patents = 55.2

CIPO Patents = 5

EPO Patents = 10

Trademarks = 3

Forward Citations = 95

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25 inventors (with patents filed for the assignee):

Steven Richard Oriani (6 out of 31 patents)

Ming-Hong Hung (3 out of 63 patents)

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)

29 patents: Sort by Forward Citations

1. 8138274 - Process for preparation of fluorosilicon polymer (2012-03-20),

2. 8075992 - Perfluoroelastomer articles having good surface properties (2011-12-13),

3. 8053526 - Fluoroelastomer process aid contains polyalkylene oxide and polycaprolactone (2011-11-08),

4. 8030531 - Process for production of 2,3-dichlorobutadiene-1,3 (2011-10-04),

5. 8026400 - Process for production of 2,3-dichlorobutadiene-1,3 (2011-09-27),

6. 8013072 - Partially hydrolyzed chlorosulfonated polyolefin elastomers (2011-09-06),

7. 7999049 - Process for producing fluoroelastomers (2011-08-16),

8. 7989566 - Process for producing fluoropolymers (2011-08-02),

9. 7964001 - Fuel management systems having a fluororubber article in contact with biodiesel fuel (2011-06-21),

10. 7960480 - Process for coagulating fluoroelastomers (2011-06-14),

11. 7915331 - Fluoroelastomer processing aid masterbatch and method for producing same (2011-03-29),

12. 7872163 - Process for production of 3,4-dichlorobutene-1 (2011-01-18),

13. 7838601 - Partially neutralized chlorosulfonated polyolefin elastomers (2010-11-23),

14. RE41896 - UV curable elastomer composition (2010-10-25),

15. 7816468 - Coagulation of fluoroelastomer dispersions with polyethylene oxide (2010-10-19),

Dupont Performance Elastomers LLC is a leading company in the field of elastomer manufacturing. We specialize in producing high-performance elastomer products for various industries such as automotive, construction, electronics, and more. Our advanced production facilities and cutting-edge technology enable us to deliver superior quality elastomers that meet the most demanding specifications and requirements. With a commitment to innovation and sustainability, Dupont Performance Elastomers consistently strives to push the boundaries of elastomer performance and contribute to the progress of industries around the world.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

Dupont Performance Elastomers LLC

29 Patents

#157 in Wilmington, DE

#192 in Delaware

#11,598 in US

#22,493 in the World

Wilmington, DE, United States of America

Dupont Performance Elastomers LLC

Forward Citations = 95

25 inventors:

Steven Richard Oriani (6 out of 31 patents)

Ming-Hong Hung (3 out of 63 patents)

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)

Please report any incorrect information to [email protected]

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