Wanhua Chemical Group Co., Ltd.

China


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Total IP 354
Total IP incl. subs 366 (+ 81 for subs)
Total IP Rank # 3,699
IP Activity Score 3.2/5.0    245
IP Activity Rank # 2,837
IP AS incl. subs 2.9/5.0    254
Stock Symbol 600309 (sse)
Market Cap. 294.634B  (CNY)
Industry Chemicals
Sector Basic Materials
Dominant Nice Class Chemical and biological material...

Patents

Trademarks

76 27
5 8
195 37
6
 
Last Patent 2025 - Polyurethane-polyurea aqueous di...
First Patent 2010 - High-speed mixing reactor and ap...
Last Trademark 2024 - WANHUA
First Trademark 2007 - WANHUA

Subsidiaries

1 subsidiaries with IP (81 patents, 0 trademarks)

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Isocyanate composition, modified isocyanate, polyurethane resin and optical material. Provided a...
2024 Invention Preparation method for thermally expandable microsphere containing hydrophilic organic-modified c...
G/S Caustic alkali; acids; industrial adhesives; industrial chemicals; esters; catalysts; leather tr...
G/S Caustic alkali; acids; industrial adhesives; industrial chemicals; esters; catalysts; leather tre...
G/S Isocyanate compounds; Esters; Foundry molding [moulding] preparations; Artificial resins, unproce...
Invention Ethylene/α-olefin copolymer for solar cell encapsulation adhesive film, and use thereof. Provided...
G/S Polyurethane; Adhesives for use in industry; Chemical additives for use in the manufacture of cos...
Invention Crosslinked polymer of unsaturated carboxylic acid, and preparation method therefor and use there...
G/S Methacrylic acid; propylene [propene]; acids; ethylene; ethylene oxide; oxygen; isobutane; butad...
Invention Ethylene/α-olefin random copolymer for photovoltaic adhesive film, and use thereof. Provided are ...
Invention Continuous fermentation method and system. A continuous fermentation method and system. The conti...
Invention Rhamnolipid composition for cleaning silicone oil, and industrial cleaning agent. The present inv...
Invention L-menthol composition having improved cool sensation diffusion and penetration performance and us...
Invention Polyurethane-polyurea aqueous dispersion, preparation method therefor and use thereof, slurry, me...
Invention Isocyanate preparation method, and isocyanate preparation system. The present invention relates t...
Invention Separation process for high-viscosity rhamnolipid fermentation liquor obtained under abnormal wor...
Invention Polyvinylidene fluoride resin, preparation method therefor and use thereof. The present invention...
Invention Rhamnolipid composition and use thereof. Provided in the present invention are a rhamnolipid and ...
G/S Organic silicones; tensio-active agents; leather-dressing chemicals; silica gel; silicones; indu...
Invention Method for improving quality of l-menthol product. A method for improving the quality of an L-men...
Invention Method for preparing solution-type binder and use thereof. The present invention provides a metho...
Invention Polyurethane-polyurea aqueous dispersion, and preparation method therefor and use thereof. Disclo...
Invention Method for reducing toc content in salt-containing organic wastewater generated in dam preparatio...
Invention Preparation method for diphenylmethane series diamine and polyamine. HCHOHCHO-25)2210CH3O10Fe3+HC...
2023 Invention Preparation method for diamines and polyamines of diphenylmethane series. The present invention b...
Invention Aqueous dispersion of polyurethane or polyurethane urea, and preparation method therefor and use ...
Invention Dam preparation method beneficial to reducing content of diphenylmethane diamine. The present inv...
Invention Method for recycling cumene in process of preparing propylene oxide by cumene co-oxidation method...
Invention Activated carbon catalyst for phosgene synthesis and method using same. Provided are an activated...
Invention Ethylene/α-olefin copolymer and use thereof. The present application relates to the technical fie...
Invention Ethylene/α-olefin copolymer and application thereof, and packaging adhesive film composition. The...
Invention Polymeric mdi and preparation method therefor. A polymeric MDI and a preparation method therefor....
Invention Preparation method for diamines and polyamines of the diphenylmethane series. A preparation metho...
Invention Preparation method for methanesulfonic acid with low sulfate radical residue. A preparation metho...
Invention Polyolefin elastomer and use thereof in photovoltaic encapsulation film. Provided in the present ...
Invention Ethylene/α-olefin copolymer with high light transmittance. The present invention relates to an et...
Invention Method for preparing diphenylmethane-based diamine and polyamine. A method for preparing a diphen...
Invention High-thermal-conductivity silicone grease interface material composition, silicone grease interfa...
Invention Polyisocyanate composition, and coating layer having improved chemical resistance. The present in...
Invention Preparation system and method for isocyanate. A preparation system and method for an isocyanate. ...
Invention Fixed valve element, tray, and reactor. A fixed valve element, a tray, and a reactor. The fixed v...
Invention Isocyanate, and preparation method therefor and use thereof. The present invention relates to an ...
Invention Method for preparing isocyanate. The present invention belongs to the technical field of isocyana...
Invention Method for preparing diphenylmethane-based diisocyanate and polyisocyanate. The present invention...
Invention Preparation method for diamines and polyamines of diphenylmethane series that improve 2,4-mda sel...
Invention Static mixing apparatus and method for phosgene and organic amine. Disclosed in the present appli...
Invention Method for preparing diphenylmethane-based diamines and polyamines. The present application relat...
G/S Catalysts for use in the manufacture of rubber; catalysts for use in the manufacture of synthetic...
Invention Method for preparing isocyanate having low chlorinated impurities. The present invention belongs ...
Invention Polyether polyol composition, preparation method therefor, and the use thereof. 212121121112121 a...
Invention Polymeric mdi with low content of halogenated alicyclic hydrocarbons, and preparation method ther...
Invention Method for producing single-cell protein by means of high-density fermentation. Disclosed herein ...
Invention Method for preparing diphenylmethane-series diamine and polyamine. Disclosed is a method for prep...
Invention Method for obtaining hydrogen chloride having low light component content in isocyanate productio...
Invention Ethylene oligomerization process. The present invention relates to an ethylene oligomerization pr...
Invention High-voltage low-cobalt ternary positive electrode material, preparation method therefor, and use...
G/S Propylene glycol; artificial resins, unprocessed; aldehydes; furfural; hydrogen; plastics, unproc...
G/S Propylene glycol; artificial resins, unprocessed; aldehydes; furfural; hydrogen; plastics, unpro...
2022 Invention Hydrophilically modified polyisocyanate, and preparation method therefor and use thereof. Provid...
2019 G/S Chemical preservatives; anti-incrustants; industrial chemicals; adhesives for industrial purpose...
G/S Chemical preservatives for use in the production in a wide variety of chemicals; industrial chemi...
G/S Epoxy resins, unprocessed; synthetic resins, unprocessed; polyurethane
G/S Super absorbent resin (synthetic resins, unprocessed); artificial resins, unprocessed; plastics,...
G/S Polyurethane; synthetic resins, unprocessed; industrial chemicals; artificial resins, unprocesse...
2018 G/S Propylene (propene); Caustic soda for industrial purposes; Alcohol for industrial purposes; Unpro...
2017 G/S Thermoplastic polyurethane (TPU); industrial chemicals; artificial resins, unprocessed; polyuret...
G/S Polyester polyol; polyether polyol; chemicals for use in industry and science, namely, polyhydric...
G/S Polyester polyol; polyether polyol; polyhydric alcohols; thickening agents for industrial purpos...
G/S Hydronium exchange resin; organic silicone; epoxy resins, unprocessed; artificial resins, unproc...
G/S Ethereal essences; bases for flower perfumes, namely, perfume powder, perfume oil; perfumery; ind...
G/S Methyl isobutyl ketone; ketones; acetone; cyclohexanone; paranitroketene; pyrithyldione; 3, 5, ...
G/S Ethereal essences; bases for flower perfumes; perfumery; industrial spicery; artificial muskine ...
G/S Synthetic resins, unprocessed; epoxy resins, unprocessed; adhesives for industrial purposes; poly...
G/S Soft foam composite polyether; polyether; aniline; acids, namely, acids, namely, palmitic acid, o...
G/S epoxy resins, unprocessed; synthetic resins, unprocessed; polyurethane
G/S Hard foam composite polyether; polyether; aniline; acids, namely, palmitic acid, oxalic acid, bor...
G/S Synthetic resins, unprocessed; epoxy resins, unprocessed; polyurethane
G/S Thermoplastic polyurethane elastomer; Synthetic resins, unprocessed; Polyurethane; Polyester-base...
G/S Polyester-based polyol; Polyether polyol; Polyol; Epoxy resins, unprocessed; Synthetic resins, un...
G/S Epoxy propane; Chlorine; Caustic soda; Polyol; Ketones; Aldehydes; Alkalies; Amine; Synthetic res...
G/S Plastics, unprocessed; Artificial resins, unprocessed; Synthetic resins, unprocessed; Silicones; ...
G/S Epoxy resins, unprocessed; synthetic resins, unprocessed; polyurethane.
G/S Epoxy resins, unprocessed; synthetic resins, unprocessed; dressing, except oils, for skins; leat...
G/S Epoxy resins, unprocessed; synthetic resins, unprocessed; dressing, except oils, for skins, namel...
G/S Dressing and finishing preparations for textiles; textile-brightening chemicals; stain-preventin...
G/S Epoxy resins, unprocessed; synthetic resins, unprocessed; adhesives for industrial purposes; poly...
G/S Epoxy resins, unprocessed; synthetic resins, unprocessed; adhesives for industrial purposes; pol...
2016 G/S Cosmetics raw materials; chemicals used for cosmetics; chemical additive for skin care products.
G/S Cosmetics raw materials, namely, protein, collagen, chemical additives for use in the manufacture...
G/S Thermoplastic elastomers; synthetic resins, unprocessed; polyurethane; polyester-based polyol; po...
G/S Unprocessed thermoplastic polyurethane elastomer resins for use in manufacturing in a wide variet...
G/S Adhesive plastic film for use in commercial or industrial manufacturing; Flexible tubes of plasti...
G/S Plastics, unprocessed; artificial resins, unprocessed; synthetic resins, unprocessed; silicones; ...
G/S Acrylic acid; propylene; propylene oxide; isobutene; trimethylol propane; butane; C5 hydrocarbon...
G/S Isocyanate; ester; foundry molding preparations; artificial resins, unprocessed; dressing, excep...