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CHANGYUAN GROUP LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    165,093
About

CHANGYUAN GROUP LTD has a total of 20 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets macromolecular chemistry and polymers, machines and environmental technology are HONGLONGJIANG ORIENT SCIENCE & TECHNOLOGY CO LTD, TIANJIN KAIXUAN PLASTIC PRODUCTS CO LTD and DONGGUAN CALVIN PLASTIC & TECH CO LTD.

Patent filings in countries

World map showing CHANGYUAN GROUP LTDs patent filings in countries

Patent filings per year

Chart showing CHANGYUAN GROUP LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Chenggang 16
#2 Xie Shiping 11
#3 Yin Zhansong 9
#4 Zhang Bingying 7
#5 Qi Feng 5
#6 Liu Jun 4
#7 Lu Xuelian 4
#8 Ou Meiling 3
#9 Luo Wu 3
#10 Su Junping 3

Latest patents

Publication Filing date Title
CN109860475A A kind of high temp resistance lithium ion cell diaphragm and preparation method thereof
CN106496758A A kind of three generations's nuclear power halogen-free non-red-phosphorus flame-retardant thermal shrinkable tube and preparation method thereof
CN105643915A Heat shrink tube expanding mould
CN105273296A Polyolefin heat shrinkable tube for bus insulation and preparation method thereof
CN105374450A Halogen-free flame-retardant 1E-class double-layer thermal shrinkable pipe for nuclear power station
CN105175869A Nuclear power plant grade-1E class-K1 halogen-free red-phosphorus-free flame-retardant heat shrink tube and preparation method thereof
CN104497503A Halogen-free flame-retardant F-class high-temperature-resistant polyester heat-shrinkable tube for electrical engineering and preparation method thereof
CN104371181A Zinc oxide ceramic electric stress control heat shrinkable tube and preparation method thereof
CN104371182A 135 DEG C irradiation-crosslinked polyolefin heat-shrinkable tube
CN104151762A AP1000 cable jacket material
CN103694653A Grade F temperature-resistant polyester heat shrinkage material for electrical purposes and method for preparing heat-shrinkable tube made thereby
CN103483678A Nuclear-grade cable insulation material
CN103483670A 150 DEG C high-flame-retardant halogen-free red phosphorus-free modified material
CN103333402A Non-halogen red phosphorus flame-retardant heat shrinking tube and preparation method thereof
CN103333401A Non-halogen red phosphorus flame-retardant heat shrinking tube and preparation method thereof
CN102760499A 1E-grade double-layered heat shrinkable tube used in nuclear power station
CN102760542A Three-layer thermal shrinkage composite tube
CN102013291A Heat-shrinkable clad pipe