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NANTONG HUIKANG INTERNAT ENTPR CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    225,829
About

NANTONG HUIKANG INTERNAT ENTPR CO LTD has a total of 18 patent applications. 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 are ISIS CHEMIE ZWICKAU VEB, YIN LEI and CHINA MEDICINE RES & DEV CT CO LTD.

Patent filings in countries

World map showing NANTONG HUIKANG INTERNAT ENTPR CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing NANTONG HUIKANG INTERNAT ENTPR CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Shuqing Wang 11
#2 Chengxian Du 8
#3 Xinran Wang 8
#4 Du Chengxian 7
#5 Wang Shuqing 7
#6 Wang Xinran 7
#7 Qi Yun 6
#8 Yun Qi 6
#9 Dongbing Sun 6
#10 Xinrong Tian 5

Latest patents

Publication Filing date Title
CN103804165A Method for preparing light stabilizer methylene bi(2,3,4-trihydroxybenzophenone)
CN103819425A Preparation method for resin curing agent N-acetoacetyl morpholine
CN103193724A Preparation method of 2,2'-methylenebis[6-(2H-benzotriazole-2-yl)-4-tertiary butyl] phenol as ultraviolet light absorber
CN102702174A Method for preparing light stabilizer tri(1-cyclohexyloxy-2,2,6,6-tetramethyl-4-oxy-piperidyl)-1,3,5-triazine
CN102702012A Method for preparing light stabilizer N-(2-ethylphenyl)-N'-(2-ethoxy-5-tert-butyl-phenyl)-diamine oxalate
CN102702169A Method for preparing light stabilizer 3-dodecyl-1(1,2,2,6,6-pentamethyl piperidyl)-2,5-dipyrrolidone
CN102633711A Preparation method of light stabilizer di(1,2,2,6,6-pentamethyl-4-piperidyl)oxalate
CN102659600A Preparation method for light stabilizer 3, 5-di-tert-butyl-4- hydroxybenzoic acid 2, 6- di-tert-butyl phenyl ester
CN102659670A Method for preparing light stabilizer 4-p-toluenesulfonamide-2,2,6,6-tetramentylniperidine
CN102391110A Method for preparing 2-hydroxy-4-acrylyl oxyethoxy benzophenone serving as light stabilizer
CN102391124A Method for preparing light stabilizer hexadecyl 3,5-di-tert-butyl-4-hydroxybenzoate
CN102381971A Preparation method of light stabilizer intermediate acrylic acid (2'-chloroethyl) ester
CN102381979A Method for preparing salicylic acid p-octyl phenyl ester as light stabilizer
CN102417503A Preparation method of light stabilizer tris(2,2,6,6-tetramethyl-4-oxy-piperidyl)-1,3,5-triazine
CN101973928A Preparation method of light stabilizer 4-allyloxy-1,2,2,6,6-pentamethylpiperidine
CN101973927A Preparation method of light stabilizer 4-allyloxy-2,2,6,6-tetramethylpiperidine
CN101948421A Method for preparing polymerization inhibitor (4-benzoyl-2,2,6,6-tetramethylpiperidine-1-nitroxide free radical)
CN101768104A Method for producing light stabilizer sebacic acid (1, 2, 2, 6, 6-pentamethyl-4-piperidyl) diester