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Dairen Chemical Corporation

USPTO Granted Patents = 32

% Expired Patents = 3.1

EPO Patents = 2

Forward Citations = 70

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73 inventors (with patents filed for the assignee):

Fu-Shen Lin (7 out of 8 patents)

June-Yen Chou (6 out of 8 patents)

Shien-Chang Chen (6 out of 7 patents)

4. Hsing-Yun Wang (5 out of 5 patents)

5. Shien Chang Chen (5 out of 6 patents)

6. Shih-Bo Hung (4 out of 6 patents)

7. Tian-Yuan Lin (4 out of 5 patents)

8. Fu Shen Lin (4 out of 5 patents)

9. Liang-An Hsu (3 out of 3 patents)

10. June Yen Chou (3 out of 4 patents)

11. F S Lin (3 out of 3 patents)

12. C C Chu (3 out of 3 patents)

13. Shih-Yuan Lu (2 out of 5 patents)

14. Chih-Jung Chen (2 out of 39 patents)

15. Wei-Lun Hsieh (2 out of 2 patents)

Core Competencies:

Dodecanedioic Acid

Vinyl Acetate

Polyester Resins

Nanoparticle Catalyst

Electrolysis

Polyetheramine

Acrylic Ester Polymers

Cyclic Ethers

Modified Polyester Fiber

Tertiary Olefins

High Purity Carbon Monoxide

Acetic Acid

32 patents: Sort by Forward Citations

1. 12286663 - Transformant for producing dodecanedioic acid and method for producing dodecanedioic acid (2025-04-29),

2. 12116435 - Vinyl acetate-ethylene copolymer and uses of the same (2024-10-15),

3. 12064754 - Titanium catalyst and synthesizing polyester resins (2024-08-20),

4. 11998894 - Composite solid base catalyst, manufacturing method thereof and manufacturing method of glycidol (2024-06-04),

5. 11944960 - Method for fabricating nickel-cerium dioxide-aluminum oxide hybrid nanoparticle cluster catalyst, nickel-cerium dioxide-aluminum oxide hybrid nanoparticle cluster catalyst and method for synthesizing polyetheramine (2024-04-02),

6. 11855274 - Hard carbon beads, their preparation, and energy storage device comprising the same (2023-12-26),

7. 11578346 - Transformant for producing 2,5-furandicarboxylic acid and preparation method for 2,5-furandicarboxylic acid (2023-02-14),

8. 11572631 - Method for electrolysis of water (2023-02-07),

9. 11359297 - Method for electrolysis of water and method for preparing catalysts for electrolysis of water (2022-06-14),

10. 11149015 - Methods for producing tetrahydrofuran (2021-10-19),

11. 10982238 - transformant for producing itaconate and uses thereof (2021-04-20),

12. 10875961 - Polycarbonate diol and thermoplastic polyurethane made from the same (2020-12-29),

13. 10781306 - Mortar formulation comprising long chain acrylic ester modified vinyl ester polymers (2020-09-22),

14. 10767004 - Tricyclodecane dimethanol composition and uses thereof (2020-09-08),

15. 10618859 - Method and system for removal of oxygen in oxidative dehydrogenation process (2020-04-14),

Company Overview

Dairen Chemical Corporation, headquartered in Taipei, Taiwan, specializes in the development and manufacturing of chemical products, particularly in the fields of specialty chemicals and polymers. The company focuses on providing innovative solutions for various industries, including electronics, automotive, and construction. With a commitment to research and development, Dairen aims to enhance product performance and sustainability, positioning itself as a key player in the global chemical market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

32 Patents

#109 in Taipei

#559 in Taiwan

#20,671 in the World

Dairen Chemical Corporation

Forward Citations = 70

73 inventors:

Fu-Shen Lin (7 out of 8 patents)

June-Yen Chou (6 out of 8 patents)

Shien-Chang Chen (6 out of 7 patents)

4. Hsing-Yun Wang (5 out of 5 patents)

5. Shien Chang Chen (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dairen Chemical Corporation. Retrieved from https://idiyas.com/company/dairen-chemical

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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