Japan Polyolefins Co., Ltd.
31Patents
0Active
31Granted
34Portfolio score
Filing activity: Nov 22, 1995 → Jul 21, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5770664A | Catalyst component for producing polyolefin, catalyst for producing polyolefin comprising the catalyst component, and process for producing polyolefin in the presence of the catalyst | Emerging Cross-Sectional Technologies | 56 | Expired |
| US6162887A | Highly crystalline polypropylene | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5849654A | Catalyst for olefin polymerization and process for producing polyolefin using the same | Chemistry; Metallurgy | 38 | Expired |
| US5760141A | Propylene block copolymer, process for preparation thereof and propylene resin composition comprising same | Chemistry; Metallurgy | 30 | Expired |
| US6352953B1 | Catalyst containing novel transition metal compound for polymerization of olefins | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6664346B2 | Protective film and method for preparing same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6492475B1 | Ethylene/&agr;-olefin copolymer | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6150544A | Transition metal compound and catalyst containing the same for polymerization of olefins | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6518375B1 | Catalyst for the production of ethylene polymer and process for producing ethylene polymer | Chemistry; Metallurgy | 19 | Expired |
| US5902765A | Solid catalyst components for olefin polymerization | Chemistry; Metallurgy | 17 | Expired |
| US6191227A | Polyethylene resin, and pipes and pipe joints using same | Chemistry; Metallurgy | 15 | Expired |
| US6096844A | Catalst for olefin polymerization and process for producing polyolefin using the same | Chemistry; Metallurgy | 13 | Expired |
| US6479590B1 | Electrical insulating resin material, electrical insulating material, and electric wire and cable using the same | Chemistry; Metallurgy | 13 | Expired |
| US6423808B1 | Ethylene-&agr;-olefin copolymer and composition, and film, laminate and electrical insulating material comprising same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6646069B2 | Ethylene polymers and method for producing the same | Chemistry; Metallurgy | 10 | Expired |
| US6521734B1 | Low-density polyethylene resin for laminating, composition thereof, laminates produced therefrom and process for producing the same | Chemistry; Metallurgy | 9 | Expired |
| US6767600B1 | Laminate with gas barrier properties, production method therefor, and paper container employing said laminate | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5889100A | Resin composition and molded object thereof | Chemistry; Metallurgy | 6 | Expired |
| US6919135B2 | Laminate with gas barrier properties, production method therefor, and paper container employing said laminate | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6166136A | Resin composition utilizing coated resin moldings and multilayer resin molding | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5885920A | Process for producing catalyst carrier for olefin polymerization | Chemistry; Metallurgy | 5 | Expired |
| US6303714A | Catalyst component for olefin polymerization catalyst for olefin polymerization, and process for preparing polyolefin | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6448312B1 | Colored resin composition for water pipe and colored water pipe | Chemistry; Metallurgy | 3 | Expired |
| US5817420A | Multilayer resin molding utilizing coated resin moldings | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7354655B2 | Adhesive resin composition and multi-layer laminated structure using the same | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.