Sumitomo Naugatuck Co., Ltd.
39Patents
0Active
39Granted
34Portfolio score
Filing activity: Sep 13, 1973 → Feb 21, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4444950A | Thermoplastic resin composition | Chemistry; Metallurgy | 31 | Expired |
| US4438229A | Thermoplastic composition | Chemistry; Metallurgy | 21 | Expired |
| US4299929A | Thermoplastic resin composition excellent in dwelling thermal stability | Chemistry; Metallurgy | 21 | Expired |
| US3970629A | Composition for paper coating | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4294946A | Low residual monomer .alpha.-methylstyrene-acrylonitrile copolymers and ABS blends therefrom | Chemistry; Metallurgy | 17 | Expired |
| US4305856A | Thermoplastic resin composition having good heat cycle property | Chemistry; Metallurgy | 16 | Expired |
| US4317891A | Thermoplastic composition containing polycarbonate, polyamide and rubbery graft copolymer | Chemistry; Metallurgy | 16 | Expired |
| US4877833A | Heat resistant copolymer composition | Chemistry; Metallurgy | 16 | Expired |
| US4554316A | Thermoplastic resin composition | Chemistry; Metallurgy | 16 | Expired |
| US4429074A | Paper coating composition and its production | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5250590A | Flame retardant resin composition | Chemistry; Metallurgy | 10 | Expired |
| US4125675A | Color developing sheet with organic developer and latex binder | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4381365A | Copolymer latex and its production | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4373063A | Elastomeric composition | Chemistry; Metallurgy | 9 | Expired |
| US4296216A | Thermoplastic resin composition | Chemistry; Metallurgy | 9 | Expired |
| US4257935A | Color developing sheet for pressure-sensitive recording systems | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4361684A | Process for preparing copolymers comprising .alpha.-alkyl styrene and unsaturated nitrile | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4657975A | Thermoplastic resin composition | Chemistry; Metallurgy | 8 | Expired |
| US4855355A | Molding resin composition | Chemistry; Metallurgy | 7 | Expired |
| US4490506A | Thermoplastic resin composition | Chemistry; Metallurgy | 7 | Expired |
| US4419491A | Thermoplastic resin composition excellent in color development | Chemistry; Metallurgy | 6 | Expired |
| US4963613A | Adhesive composition | Chemistry; Metallurgy | 6 | Expired |
| US3941912A | Copolymer latex and paper coating composition thereof | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4824905A | Thermoplastic resin composition comprising polyamide, aromatic vinyl/unsaturated nitrile/rubbery polymer graft copolymer and aromatic vinyl/unsaturated nitrile/.alpha.-unsaturated carboxylic acid copolymer | Chemistry; Metallurgy | 6 | Expired |
| US4705827A | Resin composition comprising unsaturated dicarboxylic acid anhydride polymer, polycarbonate resin and modified olefin polymer | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.