With 97 patents held between 2002 and 2022, China Petrochemical Corp holds the most number of Circular Plastic Economy patents in the Chemicals sector in the Asia-Pacific region, of which 88.7% was contributed by China Petroleum & Chemical Corp.
The second largest number of patents were held by DuPont de Nemours Inc with 96 Circular Plastic Economy patents. The third largest number of patents were held by Kuraray Co Ltd with 94 Circular Plastic Economy patents, of which 36.2% was contributed by Plantic Technologies Ltd. The fourth largest number of patents were held by Shandong University with 94 Circular Plastic Economy patents. The fifth largest number of patents were held by Teijin Ltd with 91 Circular Plastic Economy patents.
The top five patents holders, i.e., China Petrochemical Corp, DuPont de Nemours Inc, Kuraray Co Ltd, Shandong University, and Teijin Ltd, together held 472 Circular Plastic Economy patents during the period.
Taiwan
Germany
China
United States of America
South Korea
South Korea
Saudi Arabia
China
United Kingdom
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