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ZHEJIANG KEYONG CHEMICAL CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    202,596
About

ZHEJIANG KEYONG CHEMICAL CO LTD has a total of 13 patent applications. Its first patent ever was published in 2011. It filed its patents most often in WIPO (World Intellectual Property Organization), United States and China. Its main competitors in its focus markets basic materials chemistry and textiles and paper are ZHEJIANG KEYONG CHEMICAL ENG CO LTD, ZHEJIANG WANFENG CHEMICAL CO LTD and ZHEJIANG LONGSHENG DYE CHEMICAL CO LTD.

Patent filings in countries

World map showing ZHEJIANG KEYONG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 WIPO (World Intellectual Property Organization) 9
#2 United States 3
#3 China 1

Patent filings per year

Chart showing ZHEJIANG KEYONG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Basic materials chemistry
#2 Textiles and paper

Focus technologies

# Technology
#1 Pigments
#2 Dyeing textiles

Top inventors

# Name Total Patents
#1 Wang Renliang 13
#2 Wang Xiaohong 10
#3 Ou Qi 9
#4 Lv Jianjun 8
#5 Gao Huaiqing 4
#6 Li Shihua 2
#7 He Yaoyao 2
#8 Guo Yuanzhi 2
#9 Chen Haobing 2
#10 Zhou Junfeng 2

Latest patents

Publication Filing date Title
CN102558907A Compound active black dye composition