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SHENZHEN YOUWEI CHEMICAL TECHNOLOGY CO LTD

Overview
  • Total Patents
    16
About

SHENZHEN YOUWEI CHEMICAL TECHNOLOGY CO LTD has a total of 16 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 macromolecular chemistry and polymers are HUAIHUA JINXIN NEW MAT CO LTD, KUNSHAN RIKITA PHARMACEUTICAL CO LTD and SHANGHAI TWISUN BIO PHARM CO LTD.

Patent filings in countries

World map showing SHENZHEN YOUWEI CHEMICAL TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing SHENZHEN YOUWEI CHEMICAL TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Zhigang 14
#2 Song Huaihai 11
#3 Wang Yanchao 9
#4 Zhang Yongbo 8
#5 Zhao Xinyang 4
#6 Wang Yapeng 4
#7 Zhigang Wang 2
#8 Huaihai Song 2
#9 Yapeng Wang 2
#10 Zhang Yanfeng 1

Latest patents

Publication Filing date Title
CN103288873A Sulfonyl or quinonyl functionalized acylphosphine oxide compound
CN103172770A Poly-functional group or polymerized acyl phosphine oxygen compound derived from aroyl ring system
CN103130831A Acyl phosphine oxygen compound containing sulfydryl substituent group and photoinitiator containing compound
CN103130833A Soluble oxime ester and aromatic ketone photo polymerization initiator
CN103073658A Photoinitiator mixture of novel aromatic hydroxyl ketone and acylphosphine oxide, and composite system of photoinitiator mixture and photoabsorber
CN102250115A Carbazole cyclic derived type aromatic ketone compound as well as preparation method and photo initiator thereof
CN102079707A Mesitylene group aromatic ketone compound, preparation method thereof and photoinitiator
CN102060684A Para-position or meta-position functional group aromatic ketone compounds, preparation method and photopolymerization initiator thereof
CN101941952A Resin monomer skeleton-derivative ketone compound photoinitiator
CN101941920A Aromatic ketone oxime photoinitiator compound
CN101941939A Polyfunctional carbazole derivative oxime ester compound and preparation method and light polymerization initiator thereof
CN101921184A Multi-functional group type aromatic ketone compound and photoinitiator containing same
CN101811968A Multi-functionalized benzoylformicacid hydroxy-ketone ester compounds and photoinitiator containing compounds
CN101812142A Double functionalized aromatic ketone compounds and photoinitiator containing same