Inventor · Dormagen, DE

Ralf Posner

5Patents
1h-index
19Co-inventors
40Inventor score

Filing activity: Dec 15, 2015 → Mar 12, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US9382628B2 Multi-step method for electrodeposition Chemistry; Metallurgy 1 Active
US12203172B2 Aqueous dispersion for activating a metal surface and method for the phosphating thereof Chemistry; Metallurgy 0 Active
US12234561B2 Method for the cleaning and/or anti-corrosion pretreatment of a plurality of components comprising zinc-coated (ZM) steel Chemistry; Metallurgy 0 Active
US11230768B2 Polymer-containing pre-rinse prior to a conversion treatment Chemistry; Metallurgy 0 Active
US11535940B2 Use of an adhesion promoter obtainable as a reaction product of a di- or poly amine with α,β-unsaturated carboxylic acid derivatives for metal surface treatment Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.