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Japan Polyethylene Corporation patents

Recent patent applications related to Japan Polyethylene Corporation. Japan Polyethylene Corporation is listed as an Agent/Assignee. Note: Japan Polyethylene Corporation may have other listings under different names/spellings. We're not affiliated with Japan Polyethylene Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "J" | Japan Polyethylene Corporation-related inventors

Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst

An object of the present invention is to provide a polyethylene-based resin composition excellent in the moldability and at the same time, excellent in the balance between impact strength and stiffness as well as in the transparency, and a molded product and a film, which are obtained by the molding of the polyethylene-based resin composition. The polyethylene-based resin composition of the present invention comprises from 41 to 99 wt % of (a) an ethylene-based polymer satisfying specific conditions and from 1 to 59 wt % of (b) an ethylene-based polymer satisfying specific conditions, wherein mfr of the composition as a whole is from 0.05 to 50 g/10 min and the density is from 0.910 to 0.960 g/cm3.. ... Japan Polyethylene Corporation

Polyethylene for injection molding and molded article using same

An object of the present invention is to provide a polyethylene for injection molding, which has an excellent balance between moldability and durability, and a molded article such as an injection-molded plastic fuel tank that has an excellent balance among injection moldability, durability, and impact resistance. The invention relates to a polyethylene for injection molding, the polyethylene comprising at least two types of specific polyethylenes, wherein the density, the high load melt flow rate, and the relationship between the weight ratio and the density of the polyethylene satisfy specific characteristics.. ... Japan Polyethylene Corporation

Metallocene compound, catalyst for olefin polymer, method for producing olefin polymer, and olefin polymer

. . The invention provides a specific metallocene compound and an olefin polymerization catalyst for use for a catalyst for producing an olefin polymer having a sufficiently high molecular weight while maintaining excellent copolymerizability at a polymerization temperature and under polymerization conditions industrially advantageous in polymerization of an olefin such as ethylene or the like, and provides a method for producing nan olefin polymer using the catalyst.. . ... Japan Polyethylene Corporation

Ethylene-a-olefin copolymer and olefin resin composition

. . . . [problem] to provide an ethylene-α-olefin copolymer that is highly effective in improving the molding properties of polyolefin resins, improving the balance between impact strength and stiffness, and improving transparency. [solution] provided is an ethylene-α-olefin copolymer having a specific mfr, a specific density, and a specific molecular weight distribution, containing a suitable amount of a long-chain branching structure characterized by a branching index, and having a specific composition distribution structure characterized by solvent fractionation behavior.. ... Japan Polyethylene Corporation

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Japan Polyethylene Corporation in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Japan Polyethylene Corporation with additional patents listed. Browse our Agent directory for other possible listings. Page by