For the Inventor, By the Inventor

Enter assignee name

Seongnam-si, South Korea

Sk Chemicals Co., Ltd.

USPTO Granted Patents = 199

CIPO Patents = 8

EPO Patents = 112

Trademarks = 18

Forward Citations = 419

Loading Chart...

Loading Chart...

347 inventors (with patents filed for the assignee):

Sung-Gi Kim (31 out of 35 patents)

Yoo Jin Lee (19 out of 24 patents)

Il-Hoon Cha (19 out of 19 patents)

4. Jae-Bong Lim (15 out of 15 patents)

5. Jae-Sun Kim (14 out of 20 patents)

6. Ju-Sik Kang (14 out of 14 patents)

7. Kwang Sei Oh (13 out of 14 patents)

8. Jeong Ho Park (13 out of 35 patents)

9. Bong-Yong Lee (12 out of 17 patents)

10. Jong-Wook Shin (11 out of 13 patents)

11. Seol-Hee Lim (10 out of 10 patents)

12. Yong-Jun Shin (10 out of 10 patents)

13. Jong-In Lee (10 out of 21 patents)

14. Da-Young Hwang (10 out of 10 patents)

15. Hun-Taek Kim (9 out of 15 patents)

Core Competencies:

Polyester Resin

Polycarbonate Ester

Recycled Materials

Heat-Resistant Films

Quantum Dots

Bio-Based Polymers

Polyester Fiber

Liquid Crystal Polymers

Thermoresistant Films

Molded Products

Terephthalic Acid

Polyamide-10

199 patents: Sort by Forward Citations

1. 12473398 - Highly heat-resistant polycarbonate ester and preparation method therefor (2025-11-18),

2. 12441675 - Method for preparing terephthalic acid, and terephthalic acid prepared therefrom (2025-10-14),

3. 12415886 - Polyester resin blend and article formed from the same (2025-09-16),

4. 12404230 - Method for preparing a recycled material using waste copolyester and recycled material composition (2025-09-02),

5. 12392057 - Polyester fiber, preparaion method thereof and molded article formed therefrom (2025-08-19),

6. 12391795 - Polymerizable composition, and copolycarbonate ester and method for producing same (2025-08-19),

7. 12351679 - Crystalline polyester resin and manufacturing method thereof (2025-07-08),

8. 12331175 - Polyester film and preparation method thereof (2025-06-17),

9. 12318360 - Rivastigmine patch for long-term administration (2025-06-03),

10. 12275826 - Polyester resin using recycled bis(2-hydroxyethyl) terephthalate and article including same (2025-04-14),

11. 12264244 - Polyester resin blend (2025-04-01),

12. 12202796 - Method for preparing 3(4),8(9)-bisformyltricyclo[5.2.1.0]decane (2025-01-21),

13. 12180389 - Tricyclodecane dimethanol composition and preparation method of the same (2024-12-31),

14. 12168723 - Stretched polyester film and method for preparing the same (2024-12-17),

15. 12162982 - Highly bio-based polycarbonate ester and method for producing same (2024-12-10),

SK Chemicals Co., Ltd. is a global chemical and life sciences company based in South Korea. With expertise in petrochemicals, pharmaceuticals, and high-performance materials, SK Chemicals is dedicated to providing innovative solutions for various industries. They strive to contribute to a sustainable future through environmentally friendly and socially responsible practices. For more information about their products and services, please visit their official website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

199 Patents

#4 in Seongnam-si

#105 in South Korea

#4,116 in the World

Seongnam-si, South Korea

Sk Chemicals Co., Ltd.

Forward Citations = 419

347 inventors:

Sung-Gi Kim (31 out of 35 patents)

Yoo Jin Lee (19 out of 24 patents)

Il-Hoon Cha (19 out of 19 patents)

4. Jae-Bong Lim (15 out of 15 patents)

5. Jae-Sun Kim (14 out of 20 patents)

Please report any incorrect information to support@idiyas.com

Loading…