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For the Inventor, By the Inventor

Research Triangle Park, NC, United States of America

Dupont Electronic Polymers LP


USPTO Granted Patents = 14

% Expired Patents = 21.4


Forward Citations = 21

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9 inventors (with patents filed for the assignee):

goldMedal Michael T Sheehan (11 out of 47 patents)

silverMedal Edward G Zey (6 out of 18 patents)

bronzeMedal James R Sounik (5 out of 40 patents)

4.  William Richard Russell (3 out of 4 patents)

5.  John Anthony Schultz (3 out of 4 patents)

6.  Keith Joseph Kunitsky (2 out of 7 patents)

7.  Mark Elliot Wagman (2 out of 18 patents)

8.  George W Clark, Iii (1 out of 1 patent)

9.  Hiroshi Okazaki (1 out of 1 patent)


14 patents:

1. 8207278 - Process for preparing stable photoresist compositions (2012-06-26),
2. 8163464 - Propanoates and processes for preparing the same (2012-04-24),
3. 7897697 - Epoxy resin, blocked polyisocyanate or polymers with polyhydroxystyrenes having novolak structure (2011-03-01),
4. 7862983 - Process for preparing stable photoresist compositions (2011-01-04),
5. 7741429 - Process for preparing stable photoresist compositions (2010-06-22),
6. 7728082 - Methods for preparing polymers from phenolic materials and compositions relating thereto (2010-06-01),
7. 7678945 - Derivatized polyhydroxystyrenes with a novolak type structure and processes for preparing the same (2010-03-16),
8. 7662538 - Derivatized polyhydroxystyrenes (DPHS) with a novolak type structure and blocked DPHS (BDPHS) and processes for preparing the same (2010-02-16),
9. 7632896 - Derivatized novolak polyhydroxystyrene (2009-12-15),
10. 7566752 - Epoxy resins or polyisocyanates reacted with derivatized novolak polyhydroxystyrene (2009-07-28),
11. 7521526 - Methods for preparing polymers from phenolic materials and compositions relating thereto (2009-04-21),
12. 7371800 - Derivatized novolak polyhydroxystyrene from hydroxyphenylmethylcarbinol (2008-05-13),
13. 7312281 - Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity (2007-12-25),
14. 7148320 - Polymer purification (2006-12-12),
Company Overview
Dupont Electronic Polymers LP, based in Research Triangle Park, NC, specializes in advanced materials for the electronics industry. The company focuses on developing innovative polymer solutions that enhance the performance and reliability of electronic devices. Its expertise spans various domains, including semiconductor manufacturing, flexible electronics, and advanced packaging technologies. By leveraging cutting-edge research and development, Dupont aims to drive progress in the electronics sector, supporting the growing demand for high-performance materials.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#25 in Research Triangle Park, NC

#489 in North Carolina

#22,319 in US

#42,249 in the World

Research Triangle Park, NC (US)
Research Triangle Park, NC, United States of America

Dupont Electronic Polymers LP

Forward Citations = 21

9 inventors:

goldMedal Michael T Sheehan (11 out of 47 patents)

silverMedal Edward G Zey (6 out of 18 patents)

bronzeMedal James R Sounik (5 out of 40 patents)

4.  William Richard Russell (3 out of 4 patents)

5.  John Anthony Schultz (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dupont Electronic Polymers LP. Retrieved from https://idiyas.com/company/dupont-electronic-polymers

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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