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ZHEJIANG DIBANG CHEMICAL CO LTD

Overview
  • Total Patents
    54
  • GoodIP Patent Rank
    36,141
  • Filing trend
    ⇩ 85.0%
About

ZHEJIANG DIBANG CHEMICAL CO LTD has a total of 54 patent applications. It decreased the IP activity by 85.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and basic materials chemistry are JIANGSU RIWA PIGMENT CO LTD, NANNING XIAYANG CHEMICAL TECH CO LTD and HAILI GUIXI CHEMICAL PESTICIDES CO LTD.

Patent filings in countries

World map showing ZHEJIANG DIBANG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 54

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Xu Wanfu 50
#2 Fu Weisong 37
#3 Chen Huaxiang 29
#4 Tang Zhiyong 27
#5 Xu Bin 20
#6 Zhou Haibin 13
#7 Ding Yagang 11
#8 Lyu Yangcheng 7
#9 Zhang Liangliang 6
#10 Luo Yong 6

Latest patents

Publication Filing date Title
CN112174847A Continuous production system and method of dye intermediate esterification liquid
CN111714921A Solvent crystallization separation system for 3, 4-dichloronitrobenzene and 2, 3-dichloronitrobenzene
CN111620785A Continuous chlorination method of nitroaniline
CN111153828A Continuous production method and system of 3- (N, N-diallyl) amino-4-methoxyacetanilide
CN111233693A Production method and system of 3-N, N-dihydroxyethyl aminoacetanilide
CN111303653A Continuous production method and system of heterogeneous system azo disperse dye
CN111268657A Method and system for continuously producing nitrosyl sulfuric acid
CN111205201A Method and system for producing N-cyanoethyl-N-benzylaniline
CN110449103A A kind of integration system of band premix for diazonium salt method and apparatus
CN110423489A A kind of method and apparatus that azo dyes is continuously coupled
CN110433755A A kind of method and apparatus that serialization prepares diazonium compound
CN110373038A A kind of continuous production method of ester-containing based azo dyes
CN110372515A A kind of synthetic method of paranitroanilinum
CN109503312A A kind of technique of the by-product hydrogen chloride continuous production chloroethanes using chlorobenzene production
CN109608353A A kind of continuous production technology and device of 3-acetylaminoaniline
CN109608354A A kind of refining methd of aniline dyes intermediate
CN109626726A A kind of processing method of benzene-containing wastewater
CN108147975A A kind of continuous production method of 3-acetylaminoaniline hydrochloride
CN109971200A A kind of recycling preparation method of disperse orange dye
CN107963617A The production method and system of a kind of nitrosyl sulfuric acid