YG

Yongjian Guan

📍 Fushun, CN: #1 of 4 inventorsTop 25%
Overall (2022): #55,754 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11440989 Application of Mannich base in flame-retardant polyurethane material Ping Li, Zhijun Li, Feng WANG, Yubo Li 2022-09-13
11401375 Flame-retardant polyether polyol as well as preparation method and application thereof Ping Li, Zhijun Li, Feng WANG, Yubo Li 2022-08-02
11261287 Composition capable of substituting use of styrene-acrylonitrile copolymer POP Baoning SONG, Yubo Li 2022-03-01