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ZHEJIANG QINYAN TECH CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    150,988
  • Filing trend
    ⇧ 50.0%
About

ZHEJIANG QINYAN TECH CO LTD has a total of 11 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and chemical engineering are ULLMANN FRITZ, COLOUR CHEM LTD and CHENGDU AOKATE TECH CO LTD.

Patent filings in countries

World map showing ZHEJIANG QINYAN TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing ZHEJIANG QINYAN TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qiu Wenzhong 11
#2 Wang Xiaohui 11
#3 Zhao Lei 8
#4 Su Tianwei 4
#5 Zhao Wei 4
#6 Xu Wei 4
#7 Yang Junhao 4

Latest patents

Publication Filing date Title
CN111116407A Method for preparing DCB reducing substance by continuous catalytic hydrogenation reduction
CN109438295A The method of successive reaction preparation CLT acid sulfonated bodies
CN109369469A The method of successive reaction preparation CLT acid chloride
CN109593053A The method of successive reaction preparation CLT acid itrated compound
CN107828235A A kind of method and product that acid bright red original powder is prepared using CLT acid production accessory substance
CN107879954A A kind of method and product that acid xanthan powder is prepared using CLT acid production accessory substance
CN106590013A Acid dye raw powder prepared from CLT acid isomer mixture and product
CN106590012A Method of using CLT acid isomer mixture to prepare acid dye powder and production
CN105541667A Method for producing CLT acid nitride in continuous pipelization mode
CN105541673A Method for achieving pipe-type continuous production of CLT acid nitride
CN105541668A Method for achieving pipe-type continuous production of CLT acid chloride