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SHANDONG HUIHAI PHARMACEUTICALS & CHEMICALS CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    157,823
About

SHANDONG HUIHAI PHARMACEUTICALS & CHEMICALS CO LTD has a total of 16 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and environmental technology are SHANDONG JINCHENG PHARMACEUTICAL CHEMICAL CO LTD, PAUL BAUMGARTEN DR and SHANGHAI SYNCORES TECHNOLOGIES INC.

Patent filings in countries

World map showing SHANDONG HUIHAI PHARMACEUTICALS & CHEMICALS CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing SHANDONG HUIHAI PHARMACEUTICALS & CHEMICALS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Shifeng 14
#2 Mou Yingke 12
#3 Jiang Fuyuan 8
#4 Zhang Zhongzheng 6
#5 Hou Xuhui 6
#6 Guo Gang 5
#7 Zheng Gengxiu 5
#8 Wang Leqiang 3
#9 Wei Chengfei 2
#10 Hou Liguo 2

Latest patents

Publication Filing date Title
CN104803533A Method for treating AABI (5-Acetoacetyl-amino-benzimidazolone) acylation wastewater
CN104447403A Separation method of crude acetonitrile product produced by virtue of synthesis method
CN104447329A Preparation method of 2-chloroacetoacetic acid ethyl ester
CN104151251A Method for one-pot synthesis of 5-acetylacetamido-benzimidazolone
CN104151190A Method for recycle of methylhydrazine from methylthiosemicarbazide synthesis mother liquor
CN104193653A Novel synthesis method of N, N'-dicyclohexylcarbo-diimide
CN104177305A Novel method for synthesizing thiotriazinone (TTZ) by using mixed solvent
CN103992254A Synthetic method for 2-methylthiosemicarbazide
CN103787883A Preparation method of 4-chloracetyl ethyl acetate
CN103787529A Method for treating DCC (N,N'-dicyclohexylcarbodiimide) oxidation wastewater
CN103772315A Method for synthesizing ethyl 4-methylthiazole-5-formate employing single step
CN103664662A Preparation method of 2-[2-(2-aminophenoxy) ethoxy]phenylamine
CN103664819A Preparation method of ethyl 2-amino-4-methylthiazole-5-carboxylate
CN103664806A Preparation method of N-acetoacetyl-6-methoxy-7-aminoquinoxaline-2,3-diketone
CN103664812A Preparation method of TTZ (thiotriazinone)
CN103664838A Method for preparing 2-furyl-methylketon from ethenone