Gregor Ley
24Patents
10h-index
54Co-inventors
78Inventor score
Filing activity: Jan 16, 1979 → Sep 12, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4250070A | Aqueous dispersions, containing hydrazine derivatives, of carbonyl-containing copolymers | Chemistry; Metallurgy | 44 | Expired |
| US4267091A | Binders for paints | Chemistry; Metallurgy | 30 | Expired |
| US4409358A | Copper complexes | Chemistry; Metallurgy | 17 | Expired |
| US4587278A | Sound-insulating boards based on mineral fibers and thermoplastic binders | Chemistry; Metallurgy | 15 | Expired |
| US4894261A | Production of a multilayer coating | Chemistry; Metallurgy | 14 | Expired |
| US4285597A | Goniophotometer for measuring the gloss and/or light diffusion of surfaces | Physics | 13 | Expired |
| US6348528B1 | Aqueous polymer dispersion containing an emulsifier with phosphate groups | Chemistry; Metallurgy | 13 | Expired |
| US4450013A | Grinding or dispersing agents for pigments | Chemistry; Metallurgy | 13 | Expired |
| US4528185A | Copper complexes, their preparation, their use in controlling plant pests, and agents for such control | Chemistry; Metallurgy | 11 | Expired |
| US5623014A | Dispersion or solution crosslinkable at room temperature with hydroxylamines or oxime ethers | Chemistry; Metallurgy | 10 | Expired |
| US4255310A | Aqueous paints which contain polyglycidylamines as additives | Chemistry; Metallurgy | 10 | Expired |
| US5242685A | Copper-containing agent for controlling fungi and bacteria | Chemistry; Metallurgy | 7 | Expired |
| US4636548A | Binders for aqueous primers for wood paints | Chemistry; Metallurgy | 7 | Expired |
| US5441775A | Radiation-curable, aqueous dispersion | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4623679A | Preparation of a binder suitable for coating agents | Chemistry; Metallurgy | 6 | Expired |
| US5025062A | Coating materials based on synthetic resin | Chemistry; Metallurgy | 6 | Expired |
| US4767457A | Plaster, renders, masonry paints, interior paints and glazes containing an aqueous distearyldiketene emulsion as a water repellent | Chemistry; Metallurgy | 4 | Expired |
| US4954422A | Recording material containing a layer of polymer particles and a superimposed metallic layer | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4840990A | Aqueous binder dispersions for the preparation of paints & finishes | Chemistry; Metallurgy | 2 | Expired |
| US4507457A | Production of magnetic recording media | Physics | 1 | Expired |
| US4808655A | Aqueous binder dispersions for the preparation of paints and finishes | Chemistry; Metallurgy | 1 | Expired |
| US4604429A | Ammonium salts of polymeric acids, their preparation and use as fungicides | Chemistry; Metallurgy | 1 | Expired |
| US4937171A | Photosensitive recording material | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5986006A | Use of polymethacrylic acids as branching agents | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.