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EPO Patents = 2

Forward Citations = 6

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14 inventors (with patents filed for the assignee):

Hee Ryoung Koo (4 out of 4 patents)

Sang Bae Kim (3 out of 3 patents)

Byeong-Heon Jeong (2 out of 30 patents)

4. Au Ji Ru Son (2 out of 2 patents)

5. Young Min Jang (2 out of 2 patents)

6. Hyun Soo Kim (2 out of 40 patents)

7. Hag-Jun Kim (1 out of 1 patent)

8. Hyun-Soo Kim (1 out of 1 patent)

9. Sungwoo Yoon (1 out of 1 patent)

10. Aujiru Son (1 out of 1 patent)

11. Gyu Yeop Lee (1 out of 1 patent)

12. Sung Su Na (1 out of 1 patent)

13. Yeon Won Jeyong (1 out of 1 patent)

14. Sung Kwan Kim (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 11591422 - EPDM terpolymer and manufacturing method therefor (2023-02-28),

2. 11459412 - EPDM terpolymer and manufacturing method therefor (2022-10-04),

3. 11220566 - Catalyst composition for preparing elastic copolymer, and method for preparing elastic copolymer, which comprises ethylene and alpha-olefin or ethylene, alpha-olefin and unconjugated diene, by using same (2022-01-11),

4. 7423086 - Ethylene-propylene-diene rubber composition with improved adhesion properties (2008-09-09),

5. 7119157 - Methods of preparing EP(D)M elastomer, of controlling yield thereof, and of recovering the same (2006-10-10),

6. 6921792 - Chemically modified polyolefin elastomer composition and method for preparing the same (2005-07-26),

Kumho Polychem Co., Ltd. is a leading chemical company based in South Korea. With a focus on innovation and sustainability, the company produces a wide range of high-quality chemicals for various industries, including synthetic rubbers, resins, and adhesive materials. Kumho Polychem Co., Ltd. is committed to providing customers with advanced solutions and meeting the highest standards of quality and environmental responsibility.

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Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

6 Patents

#510 in Seoul

#1,538 in South Korea

Seoul, South Korea

Kumho Polychem Co., Ltd.