Debkumar Bhattacharjee
34Patents
6h-index
65Co-inventors
72Inventor score
Filing activity: Dec 22, 1988 → Jun 25, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8653174B2 | Ambient temperature curable isocyanate-free compositions for preparing crosslinked polyurethanes | Chemistry; Metallurgy | 20 | Active |
| US4904704A | Rigid foams prepared from treated toluene diisocyanate residue | Chemistry; Metallurgy | 13 | Expired |
| US7754809B2 | Solvent free polyurethane dispersions for hard surface coatings | Chemistry; Metallurgy | 12 | Active |
| US7232859B2 | Polyurethane dispersion and articles prepared therefrom | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6322722A | Use of bo polyols to improve compatibility of pentane and cyclopentane in rigid polyurethane foams | Chemistry; Metallurgy | 8 | Expired |
| US6451908B1 | Polyurethane films prepared from polyurethane dispersions | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8598297B2 | Prepolymers made from hydroxymethyl-containing polyester polyols derived from fatty acids | Chemistry; Metallurgy | 5 | Active |
| US5600019A | Polyisocyanate based polymers perpared from formulations including non-silicone surfactants and method for the preparation thereof | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8927646B2 | Polyurethane dispersion, method of producing the same, coated articles, and method for coating articles | Emerging Cross-Sectional Technologies | 4 | Active |
| US6514572B1 | Polyurethane films prepared by electrodeposition from polyurethane dispersions | Chemistry; Metallurgy | 4 | Expired |
| US7928161B2 | Aqueous polyurethane dispersions made from hydroxymethyl containing polyester polyols derived from fatty acids | Chemistry; Metallurgy | 4 | Expired |
| US9200404B2 | Aqueous leather coating composition and method for coating leather | Emerging Cross-Sectional Technologies | 3 | Active |
| US8022138B2 | Polyurethane-urea polymers derived from cyclohexane dimethanol | Chemistry; Metallurgy | 3 | Active |
| US7306825B2 | Process to make synthetic leather and synthetic leather made therefrom | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5008299A | Rigid polyurethane foams with low thermal conductivities | Chemistry; Metallurgy | 2 | Expired |
| US5169877A | Rigid polyurethane foams with low thermal conductivities | Chemistry; Metallurgy | 2 | Expired |
| US8802771B2 | Two component polyurethane coating compositions comprising isocyanurate compositions from bis(isocyanatomethyl) cyclohexane and from aliphatic diisocyanates | Chemistry; Metallurgy | 2 | Active |
| US8349945B2 | Composite dispersion, method of producing the same, and articles made therefrom | Chemistry; Metallurgy | 2 | Active |
| US9969150B2 | Multilayer films of FDCA-based polyesters | Emerging Cross-Sectional Technologies | 2 | Active |
| US8486526B2 | Low volatiles coatings, sealants and binders from renewable oils | Emerging Cross-Sectional Technologies | 1 | Active |
| US6911487B2 | Process for preparing aqueous dispersions of hybrid polyurethane particles | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9512262B2 | Polyurethane dispersion, method of producing the same, coated articles, and method for coating articles | Chemistry; Metallurgy | 1 | Active |
| US9487337B2 | Layered structures and articles prepared therefrom | Emerging Cross-Sectional Technologies | 1 | Active |
| US6455165B1 | Laminate of olefinic unsaturated containing polymers and active hydrogen containing polymers | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8821983B2 | Ultra-high solid content polyurethane dispersion and a continuous process for producing ultra-high solid content polyurethane dispersions | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.