Eastman Chemical Company
2,002Patents
883Active
2,002Granted
56Portfolio score
Filing activity: Jul 29, 1964 → Mar 27, 2023 · 312 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5446079A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 172 | Expired |
| US5599858A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 154 | Expired |
| US5972505A | Fibers capable of spontaneously transporting fluids | Emerging Cross-Sectional Technologies | 151 | Expired |
| US5654347A | Concentrates for improving polyester compositions and method of making same | Chemistry; Metallurgy | 147 | Expired |
| US5372864A | Toners for polyesters | Emerging Cross-Sectional Technologies | 147 | Expired |
| US6120889A | Low melt viscosity amorphous copolyesters with enhanced glass transition temperatures | Emerging Cross-Sectional Technologies | 145 | Expired |
| US5696176A | Foamable polyester compositions having a low level of unreacted branching agent | Chemistry; Metallurgy | 141 | Expired |
| US5681918A | Process for preparing copolyesters of terephthalic acid ethylene glycol and 1 4-cyclohexanedimethanol exhibiting a neutral hue high clarity and increased brightness | Chemistry; Metallurgy | 137 | Expired |
| US6183848A | Low melt viscosity amorphous copolyesters with enhanced glass transition temperatures having improved gas barrier properties | Emerging Cross-Sectional Technologies | 130 | Expired |
| US5384377A | Toners for polyesters | Emerging Cross-Sectional Technologies | 130 | Expired |
| US6121498A | Method for producing acetaldehyde from acetic acid | Emerging Cross-Sectional Technologies | 128 | Expired |
| US5850623A | Method for standardizing raman spectrometers to obtain stable and transferable calibrations | Physics | 128 | Expired |
| US5580911A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 127 | Expired |
| US6084019A | High I.V. polyester compositions containing platelet particles | Emerging Cross-Sectional Technologies | 121 | Expired |
| US5559171A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 118 | Expired |
| US5859116A | Clarity and adjustable shrinkage of shrink films using miscible polyester blends | Chemistry; Metallurgy | 109 | Expired |
| US5662773A | Process for preparation of cellulose acetate filters for use in paper making | Emerging Cross-Sectional Technologies | 109 | Expired |
| US6495656B1 | Copolyesters and fibrous materials formed therefrom | Chemistry; Metallurgy | 108 | Expired |
| US5648142A | Perforated films having channels with cutout portions capable of spontaneous fluid inversion | Emerging Cross-Sectional Technologies | 108 | Expired |
| US5958539A | Thermoplastic article having textile fiber fabric embedded therein | Emerging Cross-Sectional Technologies | 105 | Expired |
| US5506014A | Pet copolyesters containing succinic and naphthalenedicarboxylic acid moieties having improved barrier properties | Emerging Cross-Sectional Technologies | 103 | Expired |
| US5783307A | UV stabilized multi-layer structures with detectable UV protective layers and a method of detection | Emerging Cross-Sectional Technologies | 100 | Expired |
| US5563239A | Composition and process for the production of poly(3-hydroxyalkanoates) | Chemistry; Metallurgy | 99 | Expired |
| US6043322A | Clear polycarbonate and polyester blends | Chemistry; Metallurgy | 97 | Expired |
| US5942585A | Polycarbonate and polyester blends | Chemistry; Metallurgy | 96 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.