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NINGBO WANHUA POLYURETHANES CO

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    240,814
  • Filing trend
    ⇩ 100.0%
About

NINGBO WANHUA POLYURETHANES CO has a total of 24 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2006. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, macromolecular chemistry and polymers and organic fine chemistry are JIANGSU CHANGZHOU TAIQING NEW MAT TECH CO LTD, ZHEJIANG HUIXIANG CHEMICAL IND CO LTD and FUJIAN WANLONG DIAMOND TOOLS CO LTD.

Patent filings per year

Chart showing NINGBO WANHUA POLYURETHANES COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hua Weiqi 16
#2 Ding Jiansheng 15
#3 Ma Deqiang 9
#4 Shang Yonghua 7
#5 Luo Peicheng 6
#6 Zhang Hongke 6
#7 Sun Shuchang 5
#8 Zhang Pengyuan 5
#9 Chen Jianfeng 5
#10 Xu Limin 5

Latest patents

Publication Filing date Title
CN108097194A A kind of continuous process system for preparing aqueous polyurethane dispersion, the continuous production processes of aqueous polyurethane dispersion and application
CN102516519A Method for preparing polycarbonate
CN102101650A Method for preparing chlorine by carrying out hydrogen chloride oxidization by adopting microreactor
CN101805272A Method for preparing isocyanate by interface phosgenation reaction
CN101786994A Aliphatic series polyisocyanurate preparation method
CN101810965A Thickener and method for applying same in liquid-solid separation
CN101665302A Processing method of effluent brine produced in MDI production process
CN101514269A Dicyclohexylmethylmethane-4,4'-diisocyanate prepolymer used for paint curing agent and preparation method thereof
US2008159065A1 Hole-jetting type mixer-reactor
EP2088139A1 A hole jet reactor and a process for the preparation of an isocyanate using the reactor
EP2179985A1 Jet reactor with flow ducts and process for preparing isocyanates using it
EP2145874A1 Process for the preparation of polymethylene polyphenyl polyamine
CN101279923A Preparation of polymethylene polyphenyl polyamine
EP2151274A1 Orifice jet-type injection reactor