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US Patent 11708437 Ethylene interpolymer products and films

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 US Patent 11708437 Ethylene interpolymer products and films

Article

This disclosure relates to ethylene interpolymer compositions and films prepared therefrom. Specifically: ethylene interpolymer products having: a dimensionless Long Chain Branching Factor, LCBF, greater than or equal to 0.001; a residual catalytic metal of from ≥0.03 to ≤5 ppm of hafnium, and; a dimensionless unsaturation ratio, UR, of from ≥−0.40 to ≤0.06, wherein UR is defined by the following relationship; UR=(SC

Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
117084370
Date of Patent
July 25, 2023
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Patent Application Number
172196220
Date Filed
March 31, 2021
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Patent Citations
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US Patent 7125933 Very low density polyethylene blends
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US Patent 7148304 Polymerization catalysts
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US Patent 7153909 High density ethylene homopolymers and blend compositions
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US Patent 7166676 Process for preparing copolymers and blend compositions containing the same
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US Patent 7223822 Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
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US Patent 7250473 Multimodal polyolefin pipe
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US Patent 7271221 Method of making interpolymers and products made therefrom
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US Patent 7300983 High melt strength polymers and method of making same
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US Patent 7396881 Polyethylene compositions for rotational molding
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US Patent 7439306 Polyethylene blends with improved Vicat softening point
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US Patent 7456243 Catalyst compositions and polyolefins for extrusion coating applications
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US Patent 7473745 Preparation of multimodal polyethylene
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US Patent 7517939 Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching
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US Patent 7662895 Syndiotactic propylene elastomers
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US Patent 7700707 Polyolefin adhesive compositions and articles made therefrom
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US Patent 7714073 Ethylene copolymers and blend compositions
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US Patent 7858702 Enhanced ESCR bimodal HDPE for blow molding applications
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US Patent 7868092 Bimodal polyethylene compositions for blow molding applications
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US Patent RE42276 High melt strength polymers and method of making same
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US Patent 7968659 Copolymers and films thereof
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US Patent 7999039 High melt strength polymers and method of making same
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US Patent RE43004 High melt strength polymers and method of making same
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US Patent 8076421 Film layers made from polymer formulations
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US Patent 8101685 Thermoplastic elastomer polyolefin in-reactor blends and molded articles therefrom
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US Patent 8101687 Multimodal polyethylene material
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US Patent 8101696 Polyolefin solution polymerization process and polymer
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US Patent 8114946 Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches
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US Patent 8173232 Stretch hood films
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US Patent 8227564 Ethylene copolymers and their uses
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US Patent 8242237 Phase separator and monomer recycle for supercritical polymerization process
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US Patent 8263722 Process for making ethylene interpolymers and interpolymers made thereby; compositions and electrical devices containing such interpolymers
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US Patent 8299193 Film or laminate comprising ethylene-based resin or ethylene-based resin composition
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US Patent 8349984 Polyolefin solution polymerization process and polymer
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US Patent 8372931 Ethylene-based polymer compositions
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US Patent 8389086 Composition for stretch hood, method of producing the same, and articles made therefrom
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US Patent 8410217 Thermoplastic polyolefin blends
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US Patent 8426525 Ethylene based polymer composition and film
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US Patent 8475898 Polyolefin resin blends for crack-resistant pipe
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US Patent 8475899 Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches
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US Patent 8481647 Thermoplastic elastomer polyolefin in-reactor blends and molded articles therefrom
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US Patent 8580388 Composition suitable for stretch hood, method of producing the same, and articles made therefrom
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US Patent 8772426 Polymers
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US Patent 8829115 Ethylene-based polymer composition
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US Patent 8829127 Process for making ethylene interpolymers and interpolymers made thereby, and compositions and electrical devices containing such interpolymers
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US Patent 8877880 Method for controlling polyolefin properties
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US Patent 8889794 Resin compositions for extrusion coating
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US Patent 8933175 Hyperbranched polymers and methods of making and using same
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US Patent 9068033 Branched polyethylene with improved processing and high tear films made therefrom
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US Patent 9102819 Polyolefin composition
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US Patent 9115275 Polyolefin composition
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US Patent 9175119 Polymers
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US Patent 9540459 Production method of olefin polymer and olefin polymerization catalyst
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Patent Primary Examiner
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Caixia Lu
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CPC Code
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C08F 4/65927
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C08L 23/0815
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C08F 210/16
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B32B 27/32
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