Ludwig Mayer
26Patents
11h-index
34Co-inventors
75Inventor score
Filing activity: Sep 21, 1976 → Oct 20, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7671112B2 | Method of making fluoropolymer dispersion | Emerging Cross-Sectional Technologies | 41 | Active |
| US5312935A | Purification of fluorinated carboxylic acids | Chemistry; Metallurgy | 34 | Expired |
| US6489420B1 | Fluoropolymers with improved characteristics | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6541588B1 | Tetrafluoroethylene/hexafluoropropylene copolymers with higher drawability | Performing Operations; Transporting | 23 | Expired |
| US5276261A | Process for the preparation of tetrafluoroethylene polymers | Chemistry; Metallurgy | 22 | Expired |
| US7125941B2 | Aqueous emulsion polymerization process for producing fluoropolymers | Chemistry; Metallurgy | 22 | Expired |
| US4844803A | Filter press with a plurality of membrane filter plates | Performing Operations; Transporting | 19 | Expired |
| US5641571A | Polytetrafluoroethylene micor powders, their preparation and use | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7754795B2 | Coating composition | Chemistry; Metallurgy | 17 | Active |
| US4406797A | Fire extinguishant materials | Human Necessities | 14 | Expired |
| US4198792A | Chelate-modified polymers for atmospheric gas chromatography | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5563213A | Finely particulate dispersions of thermoplastic fluoropolymers | Textiles; Paper | 10 | Expired |
| US5861464A | Process for the after-treatment of thermoplastic fluoropolymers | Chemistry; Metallurgy | 10 | Expired |
| US6610807B2 | Fluoropolymers with improved characteristics | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4014110A | Crystal structure model | Physics | 6 | Expired |
| US9688796B2 | High melting PTFE polymers for melt-processing | Chemistry; Metallurgy | 4 | Active |
| US6149978A | Coating of porous, hydrophobic substrates with thermoplastic fluoropolymers | Chemistry; Metallurgy | 4 | Expired |
| US8466231B2 | Process for removing fluorinated emulsifier from fluoropolymer dispersions using an anion-exchange resin and a pH-dependent surfactant and fluoropolymer dispersions containing a pH-dependent surfactant | Emerging Cross-Sectional Technologies | 4 | Active |
| USRE40902E1 | Tetrafluoroethylene/hexafluoropropylene copolymers with higher drawability | General | 3 | Active |
| US6623680B2 | Tetrafluoroethylene/hexafluoropropylene copolymers with higher drawability | Performing Operations; Transporting | 3 | Expired |
| US8222322B2 | Method of making fluoropolymer dispersion | Emerging Cross-Sectional Technologies | 2 | Active |
| US9175113B2 | High melting PFTE polymers for melt-processing | Chemistry; Metallurgy | 1 | Active |
| US8614265B2 | Method of making fluoropolymer dispersion | Emerging Cross-Sectional Technologies | 0 | Active |
| US7678859B2 | Preparation and stabilization of fluoropolymer dispersions | Chemistry; Metallurgy | 0 | Active |
| US9212693B2 | Fluoropolymer coated articles | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.