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SHANGHAI NO 4 REAGENT & H V CHEMICAL CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    121,575
  • Filing trend
    0.0%
About

SHANGHAI NO 4 REAGENT & H V CHEMICAL CO LTD has a total of 18 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, chemical engineering and materials and metallurgy are GUANGZHOU ENVIRONMENTAL CREATIVE SOLUTIONS CO LTD, INNOPLANA UMWELTTECHNIK AG and GUANGZHOU GREENDRIER ENERGY EQUIPMENT CO LTD.

Patent filings in countries

World map showing SHANGHAI NO 4 REAGENT & H V CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing SHANGHAI NO 4 REAGENT & H V CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shen Zhonghua 5
#2 Du Jun 5
#3 Zhou Qin 4
#4 Jiao Jian 3
#5 Zhou Huanping 3
#6 Yin Jun 2
#7 Zhang Lehua 2
#8 He Minqi 2
#9 Zhou Longda 2
#10 Zhou Yuanyuan 2

Latest patents

Publication Filing date Title
CN111909055A Method for continuously preparing dimethyl azodiisobutyrate by using micro-channel reactor
CN112028788A Preparation method for continuously preparing tert-butyl hydrazine hydrochloride
CN110002657A A kind of processing system and its processing method of dichloroethanes waste liquid
CN110002656A A kind of ethyl acetate liquid waste treatment system and its processing method
CN110256281A A kind of preparation method of azo-bis-iso-dimethyl
CN108546248A A kind of preparation method of 1,2- dihydros -3,6- Pyridazindiones
CN108084222A The preparation method of tetrabutyltin
CN107902696A Antimony oxide method of purification
CN106500467A Drying device after water soluble starter granulation
CN106524688A Method for drying granulated water-soluble initiator
CN106582445A Granulation device of water soluble initiating agent
CN106422978A Water-soluble initiator pelleting method
CN106045830A Preparation method for 5-(4-chlorobenzyl)-2,2-dimethylcyclopentanone
CN104888492A Closed crystallization system and chemical purification and crystallization method
CN102297924B High performance liquid chromatography method for analyzing impurity content of ortho-tolylacetic acid and 2-chloromethyl phenylacetic acid in 3-isochromanone
CN101713491A Chlorine gasification equipment
CN101445471A Method for synthesizing bis-isobutyronitrile hydrazine
CN101157620A Method for synthesizing trans 2-(N-methyl amido) cyclohexanol