Learn more

SHANDONG HUIHAI PHARMACEUTICALS&CHEMICALS CO LTD

Overview
  • Total Patents
    76
  • GoodIP Patent Rank
    19,166
  • Filing trend
    ⇧ 16.0%
About

SHANDONG HUIHAI PHARMACEUTICALS&CHEMICALS CO LTD has a total of 76 patent applications. It increased the IP activity by 16.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are HUNAN KEYUAN BIO PRODUCTS CO LTD, JIANGSU BROTHER VITAMINS CO LTD and LUI NORBERT.

Patent filings in countries

World map showing SHANDONG HUIHAI PHARMACEUTICALS&CHEMICALS CO LTDs patent filings in countries
# Country Total Patents
#1 China 76

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 Guohui 25
#2 Zhang Shifeng 24
#3 Li Baoling 23
#4 Wang Leqiang 20
#5 Zhao Panfeng 19
#6 Hou Xuhui 19
#7 Jiang Fuyuan 19
#8 Wang Lei 17
#9 Wang Liangliang 17
#10 Zhang Yongxia 16

Latest patents

Publication Filing date Title
CN112194596A Method for recovering acetonitrile in synthetic acetonitrile ammonia water
CN112209892A Preparation method of high-melting-point triazine ring product
CN112142625A Method for reducing waste residues of N, N' -diisopropylcarbodiimide product
CN112194605A Method for preparing N, N' -diisopropyl thiourea
CN112250600A Process method for improving yield of N, N' -diisopropylcarbodiimide product
CN112209853A Synthesis method of N, N' -dicyclohexylcarbodiimide
CN112142624A Method for synthesizing N, N' -diisopropylcarbodiimide by using oxygen as oxidant
CN112159404A Preparation method of tocaintinib
CN112010801A Preparation method of amlodipine base
CN112138610A Feeding device for automatic uniform-speed feeding of solid materials
CN112156663A Solid sodium methoxide preparation is with raw materials agitating unit that has temperature to detect
CN112125882A Method for synthesizing imatinib free base
CN112079764A Synthesis method of sunitinib intermediate 5-fluoroindole-2-ketone
CN112047924A Preparation method of Wolcrodol
CN112047881A Preparation method of tanaprost
CN111763174A Method for reducing distillation residues of 5-acetoacetylaminobenzimidazolone mother liquor
CN111362879A Method for preparing benzimidazolone in aqueous solvent
CN111423366A Preparation method of pirfenidone
CN111099712A Method for treating sodium sulfide wastewater generated in DCC synthesis process by using oxygen
CN111116486A Synthesis method of 5-nitrobenzimidazole ketone