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For the Inventor, By the Inventor

Mississauga, Canada

Dupont Canada Inc.


USPTO Granted Patents = 159

% Expired Patents = 1.9


Trademarks = 2

Forward Citations = 2,442

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124 inventors (with patents filed for the assignee):

goldMedal Vaclav G Zboril (13 out of 21 patents)

silverMedal Eldon Lawrence Fletcher (10 out of 11 patents)

bronzeMedal John R Boocock (10 out of 11 patents)

4.  Ralph C Wirsig (8 out of 11 patents)

5.  Anthony Joseph Cesaroni (7 out of 32 patents)

6.  Peter Y Kelly (7 out of 7 patents)

7.  George White (7 out of 7 patents)

8.  Chun Sing Wong (6 out of 10 patents)

9.  Howard C Ng (5 out of 16 patents)

10.  David John Mitchell (5 out of 12 patents)

11.  Stuart Marshall Nemser (5 out of 20 patents)

12.  David A Harbourne (5 out of 7 patents)

13.  Erica M Besso (4 out of 4 patents)

14.  Peter A Sipos (4 out of 5 patents)

15.  Arnold E Perrett (4 out of 4 patents)


Core Competencies:
Polymer Films
Liquid Crystalline Polymers
Moisture Resistant Coatings
Ethylene Copolymer Film
Polyamide Compositions
Cross-Linkable Adhesive Polymers
Thermoplastic Panel Heat Exchangers
High Tensile Strength Films
Pouch Manufacturing
Heat Exchangers
Polyurethane Foam Laminates
Grafted Polymers

159 patents:

1. 6776831 - High temperature and high humidity release coating for polymer film (2004-08-17),
2. 6767599 - Process for manufacturing pouches of ethylene copolymer film for containing a flowable material (2004-07-27),
3. 6753055 - Heat exchangers containing liquid crystalline polymer layers (2004-06-22),
4. 6589463 - High tensile strength polethylene terephthalate film and process (2003-07-08),
5. 6465107 - Silicone-containing polyolefin film (2002-10-15),
6. 6416833 - Interpolymer film pouch (2002-07-09),
7. 6406765 - Pouches of ethylene copolymer film containing a flowable material (2002-06-18),
8. 6399191 - Moisture resistant coated metal substrates (2002-06-04),
9. 6380320 - Process for preparing anhydride-grafted polymers with improved color (2002-04-30),
10. 6364652 - Manufacture of liquid crystalline polymer films (2002-04-02),
11. 6355769 - Partially aromatic polyamides and a process for making them (2002-03-12),
12. 6331595 - Grafting of monomers onto polyolefins in presence of organic peroxides (2001-12-18),
13. 6256966 - Process for manufacturing pouches of ethylene copolymer film for containing a flowable material (2001-07-10),
14. 6248861 - Manufacture of branched polyamides (2001-06-19),
15. 6162317 - Heat exchanger tubing with yarn turbulator (2000-12-19),
Company Overview
Dupont Canada Inc., based in Mississauga, specializes in advanced polymer films and related technologies. The company focuses on the development and manufacturing of innovative materials, including liquid crystalline polymers and moisture-resistant coatings. Their expertise extends to ethylene copolymer films, polyamide compositions, and cross-linkable adhesive polymers, catering to diverse applications. Additionally, Dupont Canada is involved in creating thermoplastic panel heat exchangers and high tensile strength films, contributing to various industries with cutting-edge solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

159 Patents

#4 in Mississauga

#77 in Canada

#5,178 in the World

Mississauga, CA
Mississauga, Canada

Dupont Canada Inc.

Forward Citations = 2,442

124 inventors:

goldMedal Vaclav G Zboril (13 out of 21 patents)

silverMedal Eldon Lawrence Fletcher (10 out of 11 patents)

bronzeMedal John R Boocock (10 out of 11 patents)

4.  Ralph C Wirsig (8 out of 11 patents)

5.  Anthony Joseph Cesaroni (7 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dupont Canada Inc.. Retrieved from https://idiyas.com/company/dupont-canada

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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