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Chang Chun Petrochemical Co., Ltd.

USPTO Granted Patents = 106

EPO Patents = 19

Trademarks = 2

Forward Citations = 173

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101 inventors (with patents filed for the assignee):

Yao-Sheng Lai (42 out of 42 patents)

Jui-Chang Chou (41 out of 41 patents)

Kuei-Sen Cheng (25 out of 25 patents)

4. Wen Hsin Lin (15 out of 15 patents)

5. Huei-Fang Huang (14 out of 14 patents)

6. Chih Chieh Liang (14 out of 14 patents)

7. Tzu-Jung Huang (9 out of 9 patents)

8. Cheng-Fan Wang (8 out of 9 patents)

9. Jian-Ming Huang (7 out of 7 patents)

10. Chin-Yen Chang (6 out of 6 patents)

11. Chien-Ming Lai (6 out of 6 patents)

12. Hou Hsi Wu (5 out of 5 patents)

13. Yen-Chen Huang (5 out of 5 patents)

14. Ting-Chun Lai (3 out of 3 patents)

15. Chung-Sung Tan (3 out of 14 patents)

Core Competencies:

Ethylene Vinyl Alcohol Copolymer

Polymer Film

Copper Foil

Lithium-Ion Battery

Dodecanedioic Acid

Catalyst Synthesis

Energy Storage Devices

Multilayer Structure

Surface Treatment

Electrolysis

Polyester Resins

Modified Polyvinyl Alcohol

106 patents: Sort by Forward Citations

1. 12479987 - Ethylene vinyl ester based copolymer saponified pellets and film containing the same (2025-11-25),

2. 12305033 - Ethylene-vinyl alcohol copolymer resin particle composition, ethylene-vinyl alcohol copolymer film formed therefrom, and multilayer structure (2025-05-20),

3. 12291006 - Polymer film and uses of the same (2025-05-06),

4. 12286663 - Transformant for producing dodecanedioic acid and method for producing dodecanedioic acid (2025-04-29),

5. 12286527 - Ethylene-vinyl alcohol copolymer resin particle composition, ethylene-vinyl alcohol copolymer film formed therefrom, and multilayer structure (2025-04-29),

6. 12280571 - Polymer film and uses of the same (2025-04-21),

7. 12280565 - Polymer film and uses of the same (2025-04-21),

8. 12280564 - Polymer film and uses of the same (2025-04-21),

9. 12252608 - Ethylene-vinyl alcohol copolymer resin particle composition, ethylene-vinyl alcohol copolymer film formed therefrom, and multilayer structure (2025-03-18),

10. 12211990 - Electrolytic copper foil and electrode and lithium-ion cell comprising the same (2025-01-28),

11. 12170375 - Copper foil having excellent heat resistance property (2024-12-17),

12. 12168834 - Surface-treated copper foil and copper clad laminate (2024-12-17),

13. 12064754 - Titanium catalyst and synthesizing polyester resins (2024-08-20),

14. 12060647 - Surface-treated copper foil and copper clad laminate (2024-08-13),

15. 12053956 - Polymer film and uses of the same (2024-08-06),

Chang Chun Petrochemical Co., Ltd. is a leading petrochemical company based in Taiwan. With over 70 years of experience in the industry, they specialize in the production of various chemical products including petrochemicals, basic chemicals, specialty chemicals, plastics, and more. Their commitment to innovation, quality, and sustainability has made them a trusted supplier for a wide range of industries worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

106 Patents

#63 in Taipei

#214 in Taiwan

#7,176 in the World

Chang Chun Petrochemical Co., Ltd.

Forward Citations = 173

101 inventors:

Yao-Sheng Lai (42 out of 42 patents)

Jui-Chang Chou (41 out of 41 patents)

Kuei-Sen Cheng (25 out of 25 patents)

4. Wen Hsin Lin (15 out of 15 patents)

5. Huei-Fang Huang (14 out of 14 patents)

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