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Wilmington, DE, United States of America

Hercules Corporation

USPTO Granted Patents = 1,204

% Expired Patents = 1.4

CIPO Patents = 78

EPO Patents = 92

Trademarks = 68

Forward Citations = 20,814

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836 inventors (with patents filed for the assignee):

William W Maslanka (40 out of 40 patents)

Tuyen T Nguyen (27 out of 31 patents)

David H Dumas (23 out of 23 patents)

4. Gavin G Spence (21 out of 21 patents)

5. Rakesh K Gupta (18 out of 21 patents)

6. Daniel William Klosiewicz (16 out of 46 patents)

7. Huai Nan Cheng (16 out of 16 patents)

8. Arjun C Sau (15 out of 25 patents)

9. Richard J Legare (15 out of 15 patents)

10. Richard J Riehle (15 out of 20 patents)

11. Harold Jabloner (15 out of 15 patents)

12. Sung G Chu (15 out of 15 patents)

13. Qu-Ming Gu (14 out of 21 patents)

14. Anthony J Allen (14 out of 15 patents)

15. Shigeyoshi Hara (14 out of 33 patents)

Core Competencies:

Hydrophobically Modified Thickeners

Personal Care Additives

Coating Technologies

Aqueous Compositions

Cellulose Ethers

Pharmaceutical Formulations

Biocide Solutions

Paper Strength Enhancers

Synthetic Polymers

Adhesive Compositions

Cationic Polymers

Hydraulic Compositions

1,204 patents: Sort by Forward Citations

1. 12698411 - Water soluble or dispersible composition (2026-08-04),

2. 12662573 - Hydrophobically-modified associative thickener polymers process for the preparation and uses thereof (2026-06-23),

3. 12626900 - Elastic and stretchable gel polymer electrolyte and methods of making the same (2026-05-12),

4. 12624164 - Synthetic thickeners incorporating non-reactive diluents (2026-05-12),

5. 12614730 - Aqueous binder composition for an electrode and methods for producing the same (2026-04-28),

6. 12599566 - Titanium dioxide free white film coating composition, process for preparing the same and method of use thereof (2026-04-14),

7. 12590181 - Hydrophobically-modified associative thickener polymers process for the preparation and uses thereof (2026-03-31),

8. 12122866 - Reaction products of diglycidyl ethers with difunctional active hydrogen containing and hydrophobic components (2024-10-22),

9. 11787972 - Coarse particle solid nonionic synthetic associative thickeners for paint formulations and methods for producing the same (2023-10-17),

10. 11753484 - Cellulose ether-lactam hybrid polymers, compositions, and methods for preparing and using the hybrid polymers (2023-09-12),

11. 11502301 - Binder composition for an electrode and methods for producing the same (2022-11-15),

12. 11154475 - Method for coloring or bleaching hair fibers (2021-10-26),

13. 11001751 - Crosslinked polymers derived from monomers having acryloyl and lactam moieties and sulfonic acid/sulfonate comonomers, compositions thereof, and applications thereof (2021-05-11),

14. 10945934 - Method of strengthening hair fibers and protecting dyed hair color from fading or wash-out (2021-03-16),

15. 10844254 - Urethane acrylate hybrid structure adhesives (2020-11-24),

Hercules Corporation, based in Wilmington, DE, specializes in the development and manufacturing of advanced polymer compositions. The company focuses on innovative solutions such as hydrophobically modified thickeners and personal care additives, catering to diverse industries including pharmaceuticals and coatings. Hercules is recognized for its expertise in cellulose ethers and biocide solutions, enhancing product performance in aqueous compositions and improving paper strength. Their commitment to research and development drives advancements in formulation technologies.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

1,204 Patents

#8 in Wilmington, DE

#9 in Delaware

#429 in US

#855 in the World

Wilmington, DE, United States of America

Hercules Corporation

Forward Citations = 20,814

836 inventors:

William W Maslanka (40 out of 40 patents)

Tuyen T Nguyen (27 out of 31 patents)

David H Dumas (23 out of 23 patents)

4. Gavin G Spence (21 out of 21 patents)

5. Rakesh K Gupta (18 out of 21 patents)

Please report any incorrect information to [email protected]

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