Learn more

ZHEJIANG CHANGZHENG CHEMICAL CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    198,898
  • Filing trend
    0.0%
About

ZHEJIANG CHANGZHENG CHEMICAL CO LTD has a total of 11 patent applications. It increased the IP activity by 0.0%. 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 basic materials chemistry are MILLER JORGE, NANJING UNIVERSITY & YANCHENG ACADEMY OF ENVIRONMENTAL PROT TECHNOLOGY AND ENGINEERING and HANGZHOU LANRAN ENVIRONMENTAL TECH CO LTD.

Patent filings in countries

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

Patent filings per year

Chart showing ZHEJIANG CHANGZHENG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jin Yonghui 7
#2 Ruan Guotao 7
#3 Zhao Feng 6
#4 Gao Guoxin 4
#5 Yonghui Jin 4
#6 Feng Zhao 4
#7 Xu Haojun 4
#8 Ruan Chaoqi 4
#9 Guotao Ruan 3
#10 Weifeng Du 3

Latest patents

Publication Filing date Title
CN111115744A Treatment method of disperse red 60 condensed wastewater
CN109534532A 1-CHLORO-2,4-DINITROBENZENE produces the processing method of waste water and implements the equipment of this method
CN107543370A A kind of tail gas after combustion of natural gas is used for the method for dyestuff spray drying
CN105566949A Environment-friendly preparation method of sulphur dye solution
CN104448928A Disperse blue dye composition, disperse dye, preparation method and application
CN103613953A Disperse blue dye composition, disperse dye, and preparation method and application of disperse dye
CN102174272A Preparation method and product of sulphur black dye
CN102153885A Preparation method and product of liquid indigo dye
CN101838174A Preparation method of bromo-nitroaniline dye stuff intermediate
CN101817989A Method for preparing disperse blue 60 and homologues thereof
CN101225239A Recovery comprehensive utilization method of disperse red 60 byproduct