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CHANGZHOU HOPEFINDER POLYMER SCI & TECH CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    145,379
  • Filing trend
    ⇩ 100.0%
About

CHANGZHOU HOPEFINDER POLYMER SCI & TECH CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets measurement, macromolecular chemistry and polymers and machines are GUANGZHOU RES INSTITUTE OF SYNTHETIC MATERIALS CO LTD, SHANGHAI ZHONGLI INVEST CO LTD and JIANGSU HUASHEN SPECIAL RUBBER PRODUCTS INC.

Patent filings in countries

World map showing CHANGZHOU HOPEFINDER POLYMER SCI & TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CHANGZHOU HOPEFINDER POLYMER SCI & TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lu Feng 7
#2 Tang Mingjia 3
#3 Zhang Zhijie 3
#4 Yin Haiqing 2
#5 Shen Lei 2
#6 Wang Qinghai 1

Latest patents

Publication Filing date Title
CN112250967A High-elasticity low-temperature-resistant electron beam irradiation sterilization-resistant medical PVC material and preparation thereof
CN110455959A A kind of convenient method for measuring alcohol leachable in PVC pellet
CN110455957A A method of phthalic acid ester content in accurate effectively detection PVC pellet
CN110455958A A kind of detection method of the phthalic acid ester content suitable for non-o-benzene plasticiser
CN107987455A A kind of transparent SEBS materials of high performance-price ratio medical soft and preparation method thereof
CN108003547A Medical TPE sealing materials of heat resistant type and preparation method thereof
CN106949970A It is a kind of accurately to determine transparent and translucent polymer material color method
CN106674548A Method for extracting PVC resin powder from soft PVC medical granules
CN106769961A A kind of method of simple and efficient detection plasticizer impurity content
CN106770099A A kind of fast qualitative quantitative determination powder or working of plastics whether the method containing fluorescent whitening agent
CN106770359A A kind of method of flake quantity in utilization high resolution CCD image checking PVC powder
CN106751162A A kind of method for improving the jaundice of medical PVC developing material product