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ZHEJIANG LONGSHENG CHEMICAL RES CO LTD

Overview
  • Total Patents
    56
  • GoodIP Patent Rank
    36,592
  • Filing trend
    ⇩ 23.0%
About

ZHEJIANG LONGSHENG CHEMICAL RES CO LTD has a total of 56 patent applications. It decreased the IP activity by 23.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, textiles and paper and organic fine chemistry are SHANGHAI LIYUAN TECH CO LTD, ZHEJIANG LONGSHENG GROUP CO and YU XINGYING.

Patent filings in countries

World map showing ZHEJIANG LONGSHENG CHEMICAL RES CO LTDs patent filings in countries
# Country Total Patents
#1 China 56

Patent filings per year

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

Top inventors

# Name Total Patents
#1 He Xubin 23
#2 Zhu Jingxin 17
#3 Wang Renliang 15
#4 Tao Jianguo 14
#5 Wang Xiaohong 12
#6 Meng Ming 12
#7 Zhang Guixiang 11
#8 Ou Qi 11
#9 Gao Huaiqing 9
#10 Chen Jialei 8

Latest patents

Publication Filing date Title
CN111718601A Disperse turquoise blue dye composition and dye product
CN110922785A Disperse blue-to-black dye composition, dye product and application thereof
CN110804324A Disperse dye composition, dye product and application thereof
CN110922784A Disperse yellow-to-red dye composition, dye product and application thereof
CN110845864A Disperse dark blue-to-black dye composition, dye product and application thereof
CN110835473A Disperse dye composition, dye product and application thereof
CN110669355A Reactive red dye composition
CN110698881A Reactive red dye composition
CN110117118A A kind of processing method of chlorosulfonation acid waste water
CN110054575A A kind of preparation method of p-aminobenzene sulfonic acid
CN109970592A A kind of 3-(N, N- diallyl) amino-4-methoxyacetanilide preparation method
CN109705616A A kind of active red dye composition
CN111333085A Clean recovery process of caustic alkali in H acid-alkali fusion product
CN109535769A A kind of dispersion red dye composition and dye preparations
CN111333084A Method for recycling caustic alkali in sulfonated alkali fusion process
CN109486238A A kind of dispersion red dye composition
CN109534712A A kind of light yellow naphthalene water reducer and preparation method thereof
CN109574885A A kind of preparation method of low contamination Dispersant MF
CN108863857A The serial dilution device and method of N-acetylsulfanilyl chloride cooling crystallization
CN108707094A A kind of synthesis of 2,6- naphthalenedisulfonic acids and the method for purification