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ZHEJIANG LONGSHENG DYE CHEMICAL CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    150,997
About

ZHEJIANG LONGSHENG DYE CHEMICAL CO LTD has a total of 20 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry and textiles and paper are Wujiang taoyuan dye co ltd, ZHEJIANG KEYONG CHEMICAL ENG CO LTD and ZHEJIANG KEYONG CHEMICAL CO LTD.

Patent filings in countries

World map showing ZHEJIANG LONGSHENG DYE CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

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

Focus industries

Focus technologies

# Technology
#1 Dyeing textiles
#2 Pigments

Top inventors

# Name Total Patents
#1 Meng Ming 6
#2 Yang Risheng 5
#3 Huasen Ruan 5
#4 Gao Huaiqing 5
#5 Weixiang Ruan 5
#6 Qi Ou 5
#7 Huaiqing Gao 4
#8 Jianxin Zhang 3
#9 Yang Weijun 3
#10 Tao Jianguo 3

Latest patents

Publication Filing date Title
CN112048190A Disperse blue-to-black dye composition and dye product thereof
CN111117290A Disperse red dye composition and dye product
CN111117289A Blue-to-black disperse dye composition and dye product
CN111073340A Blue-to-black disperse dye composition and dye product
CN110373043A It is a kind of blue to black disperse dye composition and dye preparations
CN110373044A A kind of dispersed deep blue dye composition and dye preparations
CN110373042A It is a kind of dark blue to black disperse dye composition and dye preparations
CN110358325A A kind of disperse black dye composition and dye preparations
CN110373041A It is a kind of blue to black disperse dye composition and dye preparations
CN106084888A A kind of disperse orange dye composition
CN106256817A A kind of diazotising preparation method of chloro arylamine
CN103756362A Acidic black dye composition
CN102516797A Monoazo dye compound and orange to red dye composition
CN101880476A Yellow-to-orange disperse dye composition
CN101333054A Method for treating dye waste water by using alkylation waste water
CN101328320A Black disperse dye composition
CN101323712A Dispersed black dye composition
CN101100560A Deep color dispersion dyes composition
CN101067050A Disperse black dye composition
CN101054477A Dispersion dyes composition