Inventor · Niedernhausen, DE

Rüdiger Funk

100Patents
13h-index
87Co-inventors
89Inventor score

Filing activity: Oct 6, 1992 → Jul 20, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6472478B1 Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones Emerging Cross-Sectional Technologies 176 Expired
US5331059A Hydrophilic, highly swellable hydrogels Emerging Cross-Sectional Technologies 171 Expired
US6503979B1 Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones Emerging Cross-Sectional Technologies 145 Expired
US7199211B2 (Meth)acrylic esters of polyalkoxylated trimethylolpropane Emerging Cross-Sectional Technologies 120 Expired
US5973014A Process for the preparation of porous, hydrophilic, highly swellable hydrogels Chemistry; Metallurgy 71 Expired
US5731365A Hydrophilic, highly swellable hydrogels Emerging Cross-Sectional Technologies 60 Expired
US6297335A Crosslinked, hydrophilic, highly swellable hydrogels, production thereof and use thereof Chemistry; Metallurgy 46 Expired
US5279757A Stable peroxycarboxylic acid granule comprising an imidoperoxycarboxylic acid or salt thereof Chemistry; Metallurgy 31 Expired
US6602950B1 Hydrophilic hydrogels with a high swelling capacity and method for producing and using them Emerging Cross-Sectional Technologies 27 Expired
US5684104A Water-swellable hydrophilic polymers Chemistry; Metallurgy 20 Expired
US7259212B2 (Meth)acrylic esters of polyalkoxylated trimethylolpropane Chemistry; Metallurgy 20 Expired
US7405321B2 (Meth)acrylic ester of alkenylene glycols and the use thereof Chemistry; Metallurgy 17 Expired
US7144957B2 Polymer mixture of hydrogels with different pH value Emerging Cross-Sectional Technologies 13 Expired
US7910675B2 Method for producing water-absorbing polymer particles Emerging Cross-Sectional Technologies 13 Active
US6107432A Water-swellable, hydrophilic polymer compositions Chemistry; Metallurgy 12 Expired
US8124229B2 Method for producing water-absorbent polymer particles with a higher permeability by polymerising droplets of a monomer solution Emerging Cross-Sectional Technologies 12 Active
US5258448A Absorbent polymers, manufacturing process and their use in particular for sanitary articles Human Necessities 12 Expired
US6703431B2 Flexible open-celled microcellular polymer foams Chemistry; Metallurgy 12 Expired
US7132479B2 Polymer mixtures with improved odor control Emerging Cross-Sectional Technologies 10 Expired
US9480968B2 Fluid-absorbent articles Human Necessities 9 Active
US7960490B2 Process for preparing color-stable water-absorbing polymer particles with a low degree of neutralization Chemistry; Metallurgy 8 Active
US8669410B2 Fluid-absorbent articles Human Necessities 8 Active
US8389658B2 Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerizing droplets of a monomer solution Emerging Cross-Sectional Technologies 8 Active
US7220821B2 Process for the reduction of the residual monomer content of water-absorbent foam Emerging Cross-Sectional Technologies 8 Expired
US8895800B2 Fluid absorbent articles Human Necessities 6 Active

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