- Patent Title: Ethylene copolymer compositions, film and polymerization processes
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Application No.: US14797518Application Date: 2015-07-13
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Publication No.: US09388261B2Publication Date: 2016-07-12
- Inventor: Victoria Ker , Patrick Lam , Yan Jiang , Peter Phung Minh Hoang , Charles Ashton Garret Carter , Darryl J Morrison
- Applicant: NOVA Chemicals (International) S.A.
- Applicant Address: CH Fribourg
- Assignee: NOVA Chemicals (International) S.A.
- Current Assignee: NOVA Chemicals (International) S.A.
- Current Assignee Address: CH Fribourg
- Agent Julie L. Heinrich
- Priority: CA2780508 20120621; CA2798855 20121214
- Main IPC: B32B27/32
- IPC: B32B27/32 ; C08F210/16 ; C08F4/6592 ; C08F210/14 ; C08F4/659
Abstract:
Ethylene copolymers having a relatively high melt flow ratio and a multimodal profile in a temperature rising elution fractionation (TREF) plot are disclosed. The copolymers can be made into film having good dart impact values and good stiffness properties under decreased extruder pressures.
Public/Granted literature
- US20150315314A1 ETHYLENE COPOLYMER COMPOSITIONS, FILM AND POLYMERIZATION PROCESSES Public/Granted day:2015-11-05
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