Learn more

WANHUA CHEMICAL NINGBO CO LTD

Overview
  • Total Patents
    104
  • GoodIP Patent Rank
    14,532
  • Filing trend
    ⇩ 48.0%
About

WANHUA CHEMICAL NINGBO CO LTD has a total of 104 patent applications. It decreased the IP activity by 48.0%. Its first patent ever was published in 2009. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Brazil. Its main competitors in its focus markets macromolecular chemistry and polymers, organic fine chemistry and basic materials chemistry are BLUESTAR SILICONES FRANCE, MALIVERNEY CHRISTIAN and FU ZHULAN.

Patent filings per year

Chart showing WANHUA CHEMICAL NINGBO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Jiakuan 20
#2 Zhang Hongke 19
#3 Wang Wenbo 16
#4 Deng Junying 15
#5 Qiao Yitao 14
#6 Wang Shaojie 12
#7 Ji Xueshun 12
#8 Zhao Dongke 12
#9 Hua Weiqi 12
#10 Lu Jiawei 11

Latest patents

Publication Filing date Title
CN112194871A Preparation method of PMMA/ABS composition and application of PMMA/ABS composition
CN112250835A Method for preparing colorless polyisocyanate composition
CN112225985A Flame-retardant PP composite material and preparation method thereof
CN111910207A Preparation method of low-color-number DAM (methyl Diphenyl methane diisocyanate), preparation method of MDI (diphenyl methane diisocyanate) and low-color-number MDI
CN111932105A Intermittent chemical product scheduling method, storage medium and system
CN111690206A Polar polypropylene composite material and preparation method thereof
CN111763410A Biodegradable PBAT alloy with high starch content and preparation method thereof
CN111715286A Catalyst for removing moisture in phosgene and method for removing moisture in phosgene in isocyanate production process
CN111689874A Method for reducing color number of carbodiimide modified organic isocyanate, low-color-number isocyanate and application thereof
CN111774097A Ethylene oligomerization catalyst system and application thereof
CN111793276A High-laser-welding-strength modified polypropylene material and preparation method thereof
CN111747867A Preparation method of low-color-number low-VOC (volatile organic compounds) modified isocyanate
CN111686596A Preparation method and application of oil-water separation membrane
CN111518357A High-gloss impact-resistant transparent modified polypropylene and preparation method and application thereof
CN111548557A Low-dielectric high-thermal-conductivity polypropylene alloy and preparation method thereof
CN111690447A Coal water slurry additive and preparation method and application thereof
CN111234387A Low-emission scratch-resistant modified polypropylene and preparation method and application thereof
CN110982038A Polyurethane resin and preparation method thereof
CN110964263A Chopped glass fiber reinforced polypropylene composite material and preparation method thereof
CN111004347A Low-ammonia-release-amount water-based emulsion and preparation method and application thereof