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Wilmington, DE, United States of America

Hercules Corporation

USPTO Granted Patents = 1,197

CIPO Patents = 52

EPO Patents = 92

Trademarks = 128

Forward Citations = 20,512

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828 inventors (with patents filed for the assignee):

William W Maslanka (40 out of 40 patents)

Tuyen T Nguyen (27 out of 28 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 19 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:

Diglycidyl Ethers

Synthetic Associative Thickeners

Cellulose Ether-Lactam Polymers

Binder Composition

Hair Fiber Strengthening

Urethane Acrylate Adhesives

Pharmaceutical Compositions

Personal Care Compositions

Hydraulic Composition

Cationic Polymer Dispersions

Polysaccharide Products

Biocide Generation

1,197 patents: Sort by Forward Citations

1. 12122866 - Reaction products of diglycidyl ethers with difunctional active hydrogen containing and hydrophobic components (2024-10-22),

2. 11787972 - Coarse particle solid nonionic synthetic associative thickeners for paint formulations and methods for producing the same (2023-10-17),

3. 11753484 - Cellulose ether-lactam hybrid polymers, compositions, and methods for preparing and using the hybrid polymers (2023-09-12),

4. 11502301 - Binder composition for an electrode and methods for producing the same (2022-11-15),

5. 11154475 - Method for coloring or bleaching hair fibers (2021-10-26),

6. 11001751 - Crosslinked polymers derived from monomers having acryloyl and lactam moieties and sulfonic acid/sulfonate comonomers, compositions thereof, and applications thereof (2021-05-11),

7. 10945934 - Method of strengthening hair fibers and protecting dyed hair color from fading or wash-out (2021-03-16),

8. 10844254 - Urethane acrylate hybrid structure adhesives (2020-11-24),

9. 10568823 - Method of strengthening hair fibers and protecting dyed hair color from fading or wash-out (2020-02-25),

10. 10526480 - Ultra-high solids emulsion and application (2020-01-07),

11. 10370482 - Lactam-functionalized polymer, compositions and applications thereof (2019-08-06),

12. 10370459 - Alkyl hydroxyalkyl cellulose ethers, methods of making, and use in cements and mortars (2019-08-06),

13. 10358574 - Coating compositions containing lactam-functionalized polymer (2019-07-23),

14. 10303842 - Device for sensorial evaluation of consumer product application feel (2019-05-28),

15. 10301478 - Aqueous primer coating composition and use (2019-05-28),

Hercules Corporation is a leading provider of innovative solutions in the manufacturing industry. With a strong focus on quality and customer satisfaction, we offer a wide range of products and services to clients worldwide. Our expertise lies in creating cutting-edge technology, streamlining manufacturing processes, and delivering superior products to meet the evolving needs of our customers. Through continuous research and development, we strive to remain at the forefront of the industry. Visit our website to learn more about our offerings and explore how we can help your business thrive.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

1,197 Patents

#8 in Wilmington, DE

#10 in Delaware

#414 in US

#823 in the World

Wilmington, DE, United States of America

Hercules Corporation

Forward Citations = 20,512

828 inventors:

William W Maslanka (40 out of 40 patents)

Tuyen T Nguyen (27 out of 28 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)

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