Inventor

GUAN YONGJIAN

CN3 patents

Patents

3 patents

US11401375B2Aug 2, 2022

Flame-retardant polyether polyol as well as preparation method and application thereof

JIAHUA SCIENCE & TECH DEVELOPMENT SHANGHAI LTD0 citations58

US11261287B2Mar 1, 2022

Composition capable of substituting use of styrene-acrylonitrile copolymer POP

JIAHUA SCIENCE & TECH DEVELOPMENT SHANGHAI LTD0 citations50

US11440989B2Sep 13, 2022

Application of Mannich base in flame-retardant polyurethane material

JIAHUA SCIENCE & TECH DEVELOPMENT SHANGHAI LTD0 citations48