Ernest L. Yeakey
54Patents
14h-index
28Co-inventors
84Inventor score
Filing activity: May 30, 1974 → Dec 30, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4036881A | Preparation of polyalkylene polyamines | Emerging Cross-Sectional Technologies | 61 | Expired |
| US4044053A | Preparation of polyalkylene polyamines | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4180644A | Polyurethane chain-extenders | Chemistry; Metallurgy | 42 | Expired |
| US4338408A | Polyurethanes using bis(aminoethyl)ether derivatives as catalysts | Chemistry; Metallurgy | 38 | Expired |
| US4547591A | Preparation of linear polyethylenepolyamines with silica-alumina catalysts | Chemistry; Metallurgy | 34 | Expired |
| US4433170A | Novel bis(aminoethyl)ether derivatives useful as polyurethane catalysts | Chemistry; Metallurgy | 29 | Expired |
| US4490154A | Fuels containing an alkenylsuccinyl polyglycolcarbonate ester as a deposit-control additive | Chemistry; Metallurgy | 27 | Expired |
| US4468483A | Aromatic polyester polycarbonates from polyols derived from recycled polyethylene terephthalate | Chemistry; Metallurgy | 27 | Expired |
| US4128525A | Thermoplastic adhesives | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4191706A | Aromatic amine-amides and use as chain-extenders | Chemistry; Metallurgy | 22 | Expired |
| US4439551A | Packaging foam polyurethane composition employing novel polyol blend | Emerging Cross-Sectional Technologies | 21 | Expired |
| US3959374A | Process for the preparation of mixed isomeric methylene-bridged polycyclohexylpolyamines | Chemistry; Metallurgy | 21 | Expired |
| US4952732A | Mannich condensates of a substituted phenol and an alkylamine containing internal alkoxy groups | Chemistry; Metallurgy | 19 | Expired |
| US4469823A | Flexible polyurethane foams made using an aromatic polyester polyol | Chemistry; Metallurgy | 14 | Expired |
| US4540821A | Aminopolyols from sugars | Chemistry; Metallurgy | 14 | Expired |
| US4994621A | Aminated, alkoxylated hydroxyl-terminated polybutadienes | Chemistry; Metallurgy | 14 | Expired |
| US4539378A | Vinyl polymer polyols made using epoxy resin-modified polyols | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4049657A | Preparation of N-(aminoalkyl)piperazine | Chemistry; Metallurgy | 12 | Expired |
| US4075130A | Polyoxypropylene polyamine derivatives as defoamers | Chemistry; Metallurgy | 10 | Expired |
| US4060501A | Novolak derivatives as defoamers | Chemistry; Metallurgy | 10 | Expired |
| US4578205A | Use of methylene azelaic acid as a corrosion inhibitor | Chemistry; Metallurgy | 9 | Expired |
| US4095022A | Production of bis-(morpholino-N-alkyl) ethers | Chemistry; Metallurgy | 8 | Expired |
| US4757143A | Catalytic method for the manufacture of triethylenediamine | Chemistry; Metallurgy | 8 | Expired |
| US4539339A | Polyurethane foams made from vinyl polymer polyols | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4162931A | Method employing polyamide thermoplastic adhesives | Emerging Cross-Sectional Technologies | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.