Patent assignee · DE · COMPANY

CHEMETALL GMBH

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162Patents
125Active
162Granted
56Portfolio score

Filing activity: Apr 13, 1995 → Jun 2, 2022 · 52 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6875479B2 Method for coating metal surfaces with an aqueous, polymer-containing composition, said aqueous composition and the use of the coated substrates Emerging Cross-Sectional Technologies 48 Expired
US7736730B2 Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this way Emerging Cross-Sectional Technologies 21 Active
US6436475B1 Process of treating metallic surfaces Chemistry; Metallurgy 17 Expired
US6562148B1 Pretreatment of aluminum surfaces with chrome-free solutions Chemistry; Metallurgy 15 Expired
US7226704B2 Electrolytes for lithium ion batteries Emerging Cross-Sectional Technologies 14 Expired
US6488990B1 Process for providing coatings on a metallic surface Chemistry; Metallurgy 12 Expired
US8182874B2 Method for coating metallic surfaces with an aqueous composition Emerging Cross-Sectional Technologies 11 Active
US7615257B2 Method for pretreating and/or coating metallic surfaces with a paint-like coating prior to forming and use of substrates coated in this way Emerging Cross-Sectional Technologies 11 Expired
US6893687B2 Method for coating metallic surfaces Performing Operations; Transporting 10 Expired
US7811366B2 Metal surface treatment composition, metal surface treatment method, and metal material Emerging Cross-Sectional Technologies 10 Active
US8936836B2 Method for coating metal surfaces using an aqueous compound having polymers, the aqueous compound, and use of the coated substrates Emerging Cross-Sectional Technologies 9 Active
US7695771B2 Process for forming a well visible non-chromate conversion coating for magnesium and magnesium alloys Chemistry; Metallurgy 8 Active
US9093718B2 Crystalline, completely soluble lithium bis(oxalato)borate (LiBOB) Emerging Cross-Sectional Technologies 8 Active
US8101232B2 Process for producing a repair coating on a coated metallic surface Emerging Cross-Sectional Technologies 7 Active
US7780838B2 Method of anodizing metallic surfaces Chemistry; Metallurgy 6 Active
US8946452B2 Crystalline, completely soluble lithium bis(oxalato)borate (LiBOB) Emerging Cross-Sectional Technologies 6 Active
US8436093B2 Metal surface treatment composition, metal surface treatment method, and metal material Emerging Cross-Sectional Technologies 5 Active
US9556523B2 Method for coating metallic surfaces of substrates, and objects coated according to said method Performing Operations; Transporting 5 Active
US9175170B2 Method for coating metallic surfaces with a composition that is rich in polymers Emerging Cross-Sectional Technologies 4 Active
US7749319B2 Composition for surface conditioning and a method for surface conditioning Chemistry; Metallurgy 4 Active
US8101014B2 Process for coating metallic surfaces with a multicomponent aqueous composition Emerging Cross-Sectional Technologies 4 Active
US7208053B2 Method for applying a phosphate covering and use of metal parts thus phospated Chemistry; Metallurgy 4 Expired
US7312255B2 Water-based coating mixture, method for application of corrosion protection layer with said mixture, substrates coated thus and use thereof Emerging Cross-Sectional Technologies 4 Expired
US8430972B2 Metal surface treatment composition, metal surface treatment method, and metal material Emerging Cross-Sectional Technologies 4 Active
US8287662B2 Composition for metal surface treatment, metal surface treatment method and metal material Emerging Cross-Sectional Technologies 4 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.