Inventor · Leverkusen, DE

Kathrin Lehmann

22Patents
10h-index
70Co-inventors
78Inventor score

Filing activity: May 23, 2001 → Aug 3, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8268939B2 Process for modifying surfaces Chemistry; Metallurgy 83 Active
US6858663B2 Organopolysiloxanes for defoaming aqueous systems Chemistry; Metallurgy 66 Expired
US7018458B2 Use of organofunctionally modified polysiloxanes containing phenyl derivatives as dispersants and wetting agents for fillers and pigments in aqueous pigment pastes and ink or paint formulations Chemistry; Metallurgy 52 Expired
US8946369B2 Branched polysiloxanes and use of these Chemistry; Metallurgy 45 Active
US7645335B2 Aqueous dispersion of hydrophobized silicon dioxide powder comprising a dispersing agent Chemistry; Metallurgy 26 Expired
US7442724B2 Dispersants for preparing aqueous pigment pastes Chemistry; Metallurgy 22 Active
US7399487B2 High-concentration aqueous dispersions comprising hydrophilic microfine metal oxide particles and dispersion auxiliaries Chemistry; Metallurgy 19 Expired
US6689731B2 Phosphoric esters as emulsifiers and dispersants Chemistry; Metallurgy 17 Expired
US7118619B2 Use of silicone resins as dispersants Emerging Cross-Sectional Technologies 11 Expired
US9845391B2 Surface treatment of particles and their use Chemistry; Metallurgy 10 Active
US9783656B2 Surface treatment of particles and their use Chemistry; Metallurgy 10 Active
US8202935B2 Dispersing resins comprising polyethers/polyesters Chemistry; Metallurgy 9 Active
US7393396B2 Process for producing homogeneous and storage-stable pastes, inks and paints using ionic liquids as dispersing additives Chemistry; Metallurgy 7 Expired
US7399348B2 Low surface tension surfactants based on amino alcohol and their use Chemistry; Metallurgy 7 Expired
US7598215B2 Hydroxyl-containing surfactants with low surface tension and their use thereof Chemistry; Metallurgy 4 Active
US8962728B2 Weathering-resistant, colored moldings with improved gloss and wipe resistance Chemistry; Metallurgy 2 Active
US9418773B2 Composition of polyamides with low concentration of carboxamide groups and electrically conductive carbon Chemistry; Metallurgy 1 Active
US10246575B2 Metal-plastic hybrid component Chemistry; Metallurgy 1 Active
US9620257B2 Composition made of polymers and electrically conductive carbon Chemistry; Metallurgy 0 Active
US11718747B2 Nanoparticle containing compositions Chemistry; Metallurgy 0 Active
US12152138B2 Transparent composition Chemistry; Metallurgy 0 Active
US10882993B2 Polymer composition, fibre-composite semi-finished product and method for the production thereof Chemistry; Metallurgy 0 Active

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