Inventor · Ludwigshafen am Rhein, DE

Frank Oliver Heinrich Pirrung

37Patents
3h-index
78Co-inventors
66Inventor score

Filing activity: Sep 23, 1997 → Aug 14, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US8580876B2 Encapsulated phenolic antioxidants Chemistry; Metallurgy 10 Active
US8268957B2 Polyethylene imine based pigment dispersants Chemistry; Metallurgy 8 Active
US5882393A Dispersing agent Emerging Cross-Sectional Technologies 5 Expired
US10584263B2 Aqueous polymer-silicon oil hybrid composition Chemistry; Metallurgy 2 Active
US7173084B2 Levelling agent and anti-cratering agent Chemistry; Metallurgy 2 Expired
US7595416B2 Phosphoric acid esters and their use as wetting and dispersing agent Chemistry; Metallurgy 1 Expired
US7686877B2 Pigmented tinting concentrates comprising a diels alder humectant Chemistry; Metallurgy 1 Active
US9670350B2 Polymer dispersants Chemistry; Metallurgy 1 Active
US9404009B2 Polymer dispersants Chemistry; Metallurgy 1 Active
US9683126B2 Polymer dispersants Chemistry; Metallurgy 1 Active
US8882904B2 Pigment dispersions, their preparation, and dispersants Chemistry; Metallurgy 1 Active
US8426484B2 Liquid photoinitiator blend Physics 1 Active
US11920000B2 Alkoxylated polyamidoamines as dispersant agents Chemistry; Metallurgy 0 Active
US11918672B2 Water based concentrated product forms of oil-soluble organic UV absorbers Human Necessities 0 Active
US7902297B2 Slip- and leveling agent Chemistry; Metallurgy 0 Expired
US10690825B2 Color filter for low temperature applications Emerging Cross-Sectional Technologies 0 Active
US12146125B2 Use of compositions comprising a solvent mixture for avoiding pattern collapse when treating patterned materials with line-space dimensions of 50 nm or below Chemistry; Metallurgy 0 Active
US11053334B2 Monomers and polymers Chemistry; Metallurgy 0 Active
US11242467B2 Melamine-polyethers as dispersants in non-aqueous, liquid pigment compositions Chemistry; Metallurgy 0 Active
US9006317B2 Additive combination for sealants applications General 0 Revoked
US10301434B2 Block copolymers having a polydimethylsiloxane block Chemistry; Metallurgy 0 Active
US9371504B2 Use of acrylate copolymers as soil antiredeposition agents and soil release agents in laundry processes Chemistry; Metallurgy 0 Active
US12024595B2 Polymer composition Chemistry; Metallurgy 0 Active
US9790452B2 Block copolymers as soil release agents in laundry processes Chemistry; Metallurgy 0 Active
US8674006B2 Black pigment dispersion Physics 0 Active

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