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ZHEJIANG HUAFENG SPANDEX CO LTD

Overview
  • Total Patents
    139
  • GoodIP Patent Rank
    12,720
  • Filing trend
    0.0%
About

ZHEJIANG HUAFENG SPANDEX CO LTD has a total of 139 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets textiles and paper, macromolecular chemistry and polymers and environmental technology are HUAFON CHONGQING SPANDEX CO LTD, LIAONING YINZHU CHEMTEX GROUP CO LTD and LDZ NEW AOSHEN SPANDEX CO LTD.

Patent filings in countries

World map showing ZHEJIANG HUAFENG SPANDEX CO LTDs patent filings in countries
# Country Total Patents
#1 China 139

Patent filings per year

Chart showing ZHEJIANG HUAFENG SPANDEX CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liang Hongjun 61
#2 Yang Xiaoyin 58
#3 Fei Changshu 41
#4 Xu Tuyuan 40
#5 Shao Xiaolin 37
#6 Liu Yahui 36
#7 Xi Qing 35
#8 Wen Zuoyang 33
#9 Wang Jing 30
#10 Chen Houxiang 28

Latest patents

Publication Filing date Title
CN112281247A Method for preparing high-uniformity spandex through continuous polymerization
CN111926411A Low-friction-coefficient polyurethane elastic fiber and preparation method thereof
CN111962190A Polyurethane elastic fiber with anti-skid elastic performance and preparation method thereof
CN111424332A Special spandex for mask belt and preparation method thereof
CN111472060A Preparation method of spandex with excellent spinnability
CN110923844A Preparation method of spandex easy to unwind
CN110791835A Preparation method of spandex fiber with low filament breakage rate
CN110685034A Preparation method of phenolic yellowing resistant spandex fiber
CN110565201A Preparation method of antibacterial and deodorant spandex
CN110760945A Spandex fiber with good thermal stability and preparation method thereof
CN110453305A A kind of preparation method of the compound polyurethane elastomeric fiber of low cost
CN110241473A A kind of preparation method with lasting ageing-resistant performance spandex
CN110016730A A kind of method of the aqueous useless stoste processing of spandex and spinning
CN109881292A A kind of polyurethane elastomeric fiber and preparation method thereof with excellent antibacterial performance
CN109825895A A kind of alkaline-resisting spandex of high temperature resistant and preparation method thereof
CN109881301A A kind of preparation method of room temperature selfreparing polyurethane elastomeric fiber
CN109797452A The method of the microcosmic modified spandex of finely dispersed graphene
CN109734873A Spandex unwinding auxiliary agent and its methods for making and using same with excellent backing-off performance
CN109537093A A kind of preparation method of micro porous hollow polyurethane elastomeric fiber
CN109610039A A kind of preparation method with high fever set efficiency polyurethaneurea elastic fiber