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PUYANG WILLING CHEMICALS CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    191,486
About

PUYANG WILLING CHEMICALS CO LTD has a total of 12 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 and surface technology and coating are OUCHI SHINKO KAGAKU KOGYO KK, XINXIANG RUNYU NEW MATERIAL TECH CO LTD and KARL MERCK.

Patent filings in countries

World map showing PUYANG WILLING CHEMICALS CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing PUYANG WILLING CHEMICALS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Zhiqiang 9
#2 Wang Fei 9
#3 Guo Tongxin 9
#4 Qian Juanjuan 8
#5 Li Hongxi 7
#6 Song Fengchao 7
#7 Shi Zonghao 5
#8 Ge Tongwei 4
#9 Qu Junwei 4
#10 Fei Wang 3

Latest patents

Publication Filing date Title
CN106243059A A kind of method extracting benzothiazole from 2 benzothiazolyl mercaptans production by-products
CN105712913A Rubber peptizer SS preparation method
CN105568311A Method for preparing thiuram disulfide vulcanization accelerator
CN105524012A Purification method of rubber vulcanization accelerator 3-methyl-2-thiazolidinethione
CN105524014A Purification method of rubber vulcanization accelerator 2-mercaptobenzothiazole
CN105543887A Electrolytic oxidation preparation method of sulfenamide accelerator
CN102993021A Preparation method for antioxidant N-para-1,1,3,3-tetramethyl butyl-phenyl-alpha-naphthylamine
CN103073521A Preparation method of rubber vulcanization accelerator N-tert-butyl-2-benzothiazole sulfonamide (NS)
CN102285938A Method for refining pharmaceutical dibenzothiazyl disulfide
CN102030694A Preparation method of thiofide TiBTM (Tetraisobutylethiuram Monosulfide)
CN101955452A Method for preparing zinc dibenzyl dithiocarbamate (ZBDC) thiofide
CN101948417A Preparation method of rubber vulcanization accelerator tetra(isobutyl)thioperoxydicarbamic acid (TiBTD)