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DONGLI NANTONG CHEMICALS CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    80,756
About

DONGLI NANTONG CHEMICALS CO LTD has a total of 22 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and chemical engineering are RUETGERS VFT AG, DISTILLATION PRODUCTS and CHEM SYSTEMS.

Patent filings in countries

World map showing DONGLI NANTONG CHEMICALS CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing DONGLI NANTONG CHEMICALS CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhou Jian 18
#2 Ayibieke Malike 17
#3 Yi Weinan 10
#4 Alafate Ayibieke 7
#5 Lu Lixin 5
#6 Zhou Junjie 4
#7 Li Wei 3
#8 Feng Wei 3
#9 Yiweinan 2
#10 Xiayila Wumaier 2

Latest patents

Publication Filing date Title
CN111592470A Novel preparation method of 3- (2, 2-dimethylhydrazino) methyl propionate
CN111333534A Novel method for preparing 3- (2, 2, 2-trimethylhydrazinium) propionate dihydrate by methyl methylation of methyl halide
CN111320554A Improved technology of monomethylhydrazine production process
CN109956891A A kind of high-purity 1,1- dimethyl urea technology of preparation method
CN109912449A It is a kind of to prepare high purity N-dimethylamino succinamic acid technical improvement method
CN109879773A A kind of 3-(2- ethyl -2,2- dimethyl diazanyl) ethyl propionate salt compounded of iodine bulk pharmaceutical chemicals technology of preparing improved method
CN109970649A A kind of technical method preparing high-purity 1,2- dimethyl -3- phenylpyrrazolin chlorate for raw material using industrial waste 1,2- dimethylhydrazine
CN109721488A A kind of isoveryl chloride low-temperature synthetic method
CN109621666A It is a kind of to reduce the device for absorbing tail gas of isoamyl acid content in isoveryl chloride by-product hydrochloric acid and prepare the production method of isoveryl chloride using it
CN109369446A A kind of high-purity 3-(2,2,2- trimethyl hydrazine) methyl propionate salt bulk drug centre preparation
CN109369447A A kind of 3-(2,2,2- trimethyl hydrazine) propionate dihydrate technology of preparing improved method
CN104628619A Method for preparing cell growth inhibitor anticancer drug leacadin and relative derivatives
CN104155292A Method for detecting content of mildronate intermediate 3-(2,2,2-trimethylhydrazine) methyl propionate methylsulfate
CN104165965A Analysis method for determining content of mildronate bulk drug intermediate of 3-(2,2-dimethyl hydrazino)methyl propionate by non-aqueous titration
CN104163776A Method for improving preparation technology of 3-(2,2-dimethylhydrazino)methyl propionate and 3-(2,2,2-trimethylhydrazino)methyl propionate
CN104151192A Improved method of preparation technology of mildronate intermediate 3-(2,2,2-trimethylhydrazine) methyl acrylate methyl sulfate
CN104151189A Novel method for converting industrial waste 1,2-dimethylhydrazine into methylhydrazine
CN104155351A Potentiometry for measuring content of trace nitrite and nitrate ions in soil, plants, pesticides, feeds, foods and water samples
CN103864600A Anti-hydrolysis production process of isovaleryl chloride
CN103880646A Hydrolysis-resistant rectifying process of isovaleryl chloride