Inventor · Woodbury, MN, US

Klaus Hintzer

183Patents
25h-index
188Co-inventors
93Inventor score

Filing activity: Sep 15, 1987 → Dec 14, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7041728B2 Aqueous dispersions of polytetrafluoroethylene having a low amount of fluorinated surfactant Chemistry; Metallurgy 103 Expired
US6255536A Fluorine containing vinyl ethers Chemistry; Metallurgy 99 Expired
US6833403B1 Aqueous dispersions of fluoropolymers Chemistry; Metallurgy 80 Expired
US7166198B2 Treatment of fluorocarbon feedstocks Performing Operations; Transporting 73 Expired
US6794550B2 Method of making an aqueous dispersion of fluoropolymers Emerging Cross-Sectional Technologies 58 Expired
US6310141A Fluoropolymer-containing compositions Chemistry; Metallurgy 56 Expired
US6706193B1 Method for recovering fluorinated emulsifiers from aqueous phases Chemistry; Metallurgy 55 Expired
US7265162B2 Bromine, chlorine or iodine functional polymer electrolytes crosslinked by e-beam Emerging Cross-Sectional Technologies 43 Expired
US6825250B2 Process for reducing the amount of fluorinated surfactant in aqueous fluoropolymer dispersions Chemistry; Metallurgy 43 Expired
US7671112B2 Method of making fluoropolymer dispersion Emerging Cross-Sectional Technologies 41 Active
US7018541B2 Removal of fluorinated surfactants from waste water Emerging Cross-Sectional Technologies 40 Expired
US5576381A Aqueous dispersion of fluoropolymers, its preparation and use for coatings Chemistry; Metallurgy 38 Expired
US5530078A Preparation of a modified polytetrafluoroethylene and use thereof Chemistry; Metallurgy 36 Expired
US6593416B2 Fluoropolymers Chemistry; Metallurgy 34 Expired
US7064170B2 Emulsifier free aqueous emulsion polymerization to produce copolymers of a fluorinated olefin and hydrocarbon olefin Chemistry; Metallurgy 32 Expired
US6642415B1 Method for recovering fluorinated emulsifiers Chemistry; Metallurgy 32 Expired
US6693152B2 Emulsifier free aqueous emulsion polymerization process for making fluoropolymers Chemistry; Metallurgy 30 Expired
US6720360B1 Ultra-clean fluoropolymers Chemistry; Metallurgy 30 Expired
US6489420B1 Fluoropolymers with improved characteristics Emerging Cross-Sectional Technologies 30 Expired
US6482979B1 Perfluorinated acid fluorides and preparation thereof Chemistry; Metallurgy 29 Expired
US7074862B2 Emulsifier free aqueous emulsion polymerization process for making fluoropolymers Chemistry; Metallurgy 29 Expired
US7019083B2 Fluoroplastic polymers having nitrogen-containing cure sites Chemistry; Metallurgy 27 Expired
US7342066B2 Aqueous dispersions of polytetrafluoroethylene particles Chemistry; Metallurgy 27 Expired
US6242548A Fluoroplastic polymers with improved characteristics Chemistry; Metallurgy 27 Expired
US6750304B2 Aqueous emulsion polymerization in the presence of ethers as chain transfer agents to produce fluoropolymers Chemistry; Metallurgy 26 Expired

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