Invention Grant
- Patent Title: Sterilized oxygen-absorbing resin composition, sterilized oxygen-absorbing multilayer container and method for producing the same
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Application No.: US15115787Application Date: 2015-02-06
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Publication No.: US09637604B2Publication Date: 2017-05-02
- Inventor: Fumihiro Ito , Satoshi Okada , Shinpei Iwamoto
- Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
- Applicant Address: JP Tokyo
- Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
- Current Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
- Current Assignee Address: JP Tokyo
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2014-021347 20140206
- International Application: PCT/JP2015/053325 WO 20150206
- International Announcement: WO2015/119230 WO 20150813
- Main IPC: C08J7/12
- IPC: C08J7/12 ; B01J20/26 ; B01J20/22 ; B01J20/30 ; C08G63/189 ; C08K3/24 ; B65B55/08 ; B32B27/08 ; B32B27/36 ; B32B27/20 ; B32B27/16 ; B32B27/32
Abstract:
The present invention provides a sterilized oxygen-absorbing resin composition obtained by performing at least: a sterilizing step of irradiating with radiation an oxygen-absorbing resin composition containing a transition metal catalyst and a thermoplastic resin (a) having a tetralin ring as a constituent unit; and a step of heating the oxygen-absorbing resin composition at a temperature equal to or higher than the glass transition temperature of the thermoplastic resin (a) and equal to or lower than 200° C., after the sterilizing step.
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