Nippon Polyurethane Industry Co., Ltd.
39Patents
4Active
39Granted
39Portfolio score
Filing activity: Dec 24, 1981 → Apr 17, 2007 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5066762A | Thermoplastic polyurethane resin from p-phenylene diisocyanate, a poly(hexamethylene carbonate) polyol, and a short chain polyol | Chemistry; Metallurgy | 55 | Expired |
| US4604418A | Process for isocyanurating hexamethylene-diisocyanate using a sodium or potassium carboxylate catalyst and a paint composition comprising the product of said process and polyols | Chemistry; Metallurgy | 38 | Expired |
| US5102918A | Process for producing modified organic polyisocyanate | Chemistry; Metallurgy | 36 | Expired |
| US6649084B2 | Polyisocyanate curing agent for laminate adhesive, and laminate adhesive using the same | Chemistry; Metallurgy | 28 | Expired |
| US6309507A | Polyisocyanate curing agent for laminate adhesive laminate adhesive comprising the same and its use | Chemistry; Metallurgy | 25 | Expired |
| US4400498A | Thermoplastic polyurethane resins | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5373050A | Self-emulsifiable isocyanate-terminated prepolymer, and aqueous coating composition and aqueous adhesive composition employing the self-emulsifiable isocyanate-terminated prepolymer | Chemistry; Metallurgy | 20 | Expired |
| US5354834A | Polyisocyanate curing agent, and coating composition and adhesive composition employing the same | Chemistry; Metallurgy | 19 | Expired |
| US5410011A | One-component polyurethane type adhesive, and use thereof | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5071939A | Method for preparing polyisocyanurate composite | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5124424A | Polyurethane resin binder for magnetic recording mediums comprising a polycarbonate polyol | Chemistry; Metallurgy | 15 | Expired |
| US6306947A | Printing ink and paint composed of an aqueous emulsion of self-emulsifiable urethane copolymer | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5071613A | Method for producing polyurethane type composite | Chemistry; Metallurgy | 12 | Expired |
| US5021534A | Thermosetting urethane elastomer | Chemistry; Metallurgy | 11 | Expired |
| US5744079A | Process for producing compression molded article of lignocellulose type material | Chemistry; Metallurgy | 10 | Expired |
| US6482523B1 | Adhesive for lamination | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6596819B2 | Polyisocyanate curing agent for laminate adhesive and process for production thereof | Chemistry; Metallurgy | 9 | Expired |
| US5652300A | Self-emulsifiable polyisocyanate mixture and aqueous coating or adhesive compostion comprising the mixture | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6635695B2 | Adhesive composition for lignocellulose-type hot-pressed forms, and hot-pressed form production process using the same | Chemistry; Metallurgy | 7 | Expired |
| US5071887A | Polyurethane elastomer | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5473009A | Mold material composition and method for preparing mold | Performing Operations; Transporting | 6 | Expired |
| US5548057A | One-component-type composition for polyurethane elastomer and method for processing the same by molding | Chemistry; Metallurgy | 5 | Expired |
| US6080812A | Water-dispersible blocked isocyanate composition, and water-base paint composition and water-base adhesive composition using the same | Chemistry; Metallurgy | 5 | Expired |
| US5502149A | Polyisocyanate curing agent and paint and adhesive compositions containing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5631341A | Self-emulsifiable polyisocyanate mixture and aqueous coating or adhesive composition comprising the mixture | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.