Wanhua Chemical (Ningbo) Co., Ltd.

China

 
Total IP 79
Total IP Rank # 16,857
IP Activity Score 2.6/5.0    59
IP Activity Rank # 12,226
Parent Entity Wanhua Chemical Group Co., Ltd.

Patents

Trademarks

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1 0
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Last Patent 2024 - Light colored polyisocyanate hav...
First Patent 2007 - Jet reactor with flow ducts and ...

Latest Inventions, Goods, Services

2023 Invention Production process for crude isocyanate having low single-benzene-ring impurity content. The pres...
Invention Light colored polyisocyanate having stable activity, preparation method therefor, and use thereof...
2022 Invention Multi-layer composite pipeline material and preparation method therefor. A multi-layer composite ...
Invention Method and system for calibrating mechanical properties of material to be tested, and storage med...
2021 Invention Preparation method for light-colored vitamin a. The present application discloses a preparation m...
Invention Polyisocyanate composition, preparation method therefor and application thereof. Disclosed herein...
Invention Catalytic dechlorination process for brackish water at outlet of electrolytic cell. The present i...
Invention Method for preparing polyisocyanate and reaction device therefor. Provided are a method for prepa...
2020 Invention Asymmetric silicone oil, preparation method therefor, and application thereof. Asymmetric silicon...
Invention Polyisocyanate composition, preparation method therefor and application thereof. A polyisocyanat...
Invention Polyisocyanate composition, preparation method therefor and application thereof. A polyisocyanate...
Invention Cyclic solvent in phosgenation reaction production and impurity removal method therefor. The pres...
Invention Method for treating discharged saline water generated during preparation of mda. The present inve...
Invention Method for controlling toc in effluent brine in dam production process. Provided is a method for ...
Invention Isocyanurate-containing polyisocyanate composition with stable chromaticity, and preparation meth...
Invention Storage-stable polyisocyanate composition and preparation method therefor. The present invention...
Invention Storage-stable polyisocyanate composition and preparation method therefor. The present invention ...
Invention Method for preparing mdi and method for preparing phosgene. The present invention provides a meth...
Invention Apparatus and method for rapid cooling of high temperature gas. An apparatus and method for the r...
Invention Isocyanate prepolymer for polyurethane-fiber composite materials, preparation method therefor and...
Invention Polyisocyanate composition and preparation method therefor. Disclosed are a polyisocyanate compos...
Invention Storage-stable polyisocyanate composition and preparation method. The present application provid...
Invention Storage-stable polyisocyanate composition and preparation method. The present application provide...
Invention Preparation method for polyurethane optical resin and applications thereof. Preparation method fo...
Invention Preparation method for polyurethane optical resin and applications thereof. Provided are a prepar...
Invention Isocyanate composition, and optical resin prepared using same. An isocyanate composition, and an ...
Invention Polyurethane resin and preparation method therefor. 123455 is an isocyanate group or an isocyanat...
2019 Invention Superhydrophobic membrane and preparation method therefor, and method for concentrating and recyc...
Invention Catalytic oxidation catalyst, preparation method therefor, and method for deep treatment of organ...
Invention Aqueous dispersion comprising polyurethane or polyurethane-urea, preparation method therefor and ...
Invention Catalyst for preparing phosgene and preparation method therefor, and method for preparation of ph...
Invention Method for preparation of polyisocyanate by photochemical reaction and method for preparing water...
Invention Phosgene synthesis and brine evaporation electrolysis integrated treatment process. The present i...
Invention Polyisocyanate composition, preparation method therefor and use thereof. Disclosed is a method fo...
Invention Ionic aqueous epoxy curing agent, preparation method therefor and use thereof. An ionic aqueous e...
Invention Ionic aqueous epoxy curing agent, preparation method therefor and use thereof. The present invent...
Invention Plug flow distillation tray and method for preparing isophoron by liquid-phase condensation of ac...
2018 Invention Preparation method for emulsifier, emulsifier, aqueous epoxy resin dispersion and formulation met...
Invention Method for preparing reactive sealant resin. Disclosed by the present invention is a method for p...
Invention Method for preparing isocyanate in gaseous phase. A method for preparing an isocyanate in a gaseo...
Invention Method for preparing isocyanate in gaseous phase. Disclosed is a method for preparing an isocyana...
Invention Method for preparing polyurethane optical resin and use thereof. Provided are a method for prepar...
Invention Anti-aging pvc composition, preparation method therefor and use thereof. Disclosed is an anti-agi...
Invention Aqueous polyurethane functional mask substrate and application thereof. Disclosed by the present ...