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HANGZHOU HI TECH FINE CHEMICAL CO LTD

Overview
  • Total Patents
    63
  • GoodIP Patent Rank
    61,053
About

HANGZHOU HI TECH FINE CHEMICAL CO LTD has a total of 63 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, environmental technology and chemical engineering are PUJING CHEMICAL INDUSTRY SHANGHAI LTD, INST NEFTEKHIM PROTSESSOV and KURARAY YUKA KK.

Patent filings in countries

World map showing HANGZHOU HI TECH FINE CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 63

Patent filings per year

Chart showing HANGZHOU HI TECH FINE CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Haixian 53
#2 Wei Zeng 27
#3 Dong Mei 26
#4 Haixian Chen 9
#5 Mei Dong 7
#6 Xu Zhifeng 7
#7 Fu Yongkuan 5
#8 Xie Xueyuan 3
#9 Ni Binxin 3
#10 Shi Guangming 3

Latest patents

Publication Filing date Title
CN111644145A Preparation method of magnetic lithium adsorbent
CN111635337A Preparation method of modified urea
CN109651206A A method of chlorosulfonation is carried out using sulfur trioxide
CN105130849A Environment-friendly technology for unitedly preparing ADC foaming agent and ammonium chloride by using ketazine as raw material
CN105129790A Novel method for preparing graphene oxide under supercritical water condition
CN105111109A Method for preparing nitrourea by utilizing microchannel reactor
CN105175287A Pilot plant for producing ADC foaming agent by oxydol process
CN104961659A Method used for reducing foaming agent particle size with aldehyde compound
CN104892464A Novel method of simply controlling particle sizes of ADC (azodicarbonamide) product
CN104961658A Method for continuous oxidation production of ADC foaming agent by use of tubular oxidation reactor
CN104892463A Process for producing biurea through optimized urea method
CN104803886A Method for producing high-purity superfine ADC (azodicarbonamide) foaming agent
CN104817098A Industrial by-product high ammonia-nitrogen sodium chloride treatment method
CN104788346A Biurea production process through urea method
CN104860275A Method for removing sodium carbonate from hydrazine hydrate crude solution
CN104876243A Cleaning method of biurea mother liquid
CN104817477A Technology for synthesis of biurea from hydrazine hydrate and cyanate
CN104844481A Process for synthesizing biurea by adopting semicarbazide
CN104761472A Technology for clean preparation of biurea with high efficiency and low consumption
CN104529835A Method for producing azodicarbonamide through biruea obtained by carrying out combined oxidation on ozone and hydrogen peroxide