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Polar Resin Composition And Multilayer Body

Abstract: [Problem] To provide: a multilayer body which has a polar resin layer that has excellent transparency and mechanical strength (especially impact resistance); and a polar resin composition for forming a polar resin layer of a multilayer body, the polar resin layer having the above-described characteristics. [Solution] A polar resin composition which contains 5 to 30% by mass of an ethylene polymer (A), 40 to 85% by mass of a polar resin component (B), and 10 to 40% by mass of a modified ethylene/a-olefin copolymer (C) that is obtained by modifying an ethylene/a-olefin copolymer (C0) with an unsaturated carboxylic acid or a derivative thereof, the modified ethylene/a-olefin copolymer (C) having an MFR (at 190°C under a load of 2.16 kg) of 0.1 to 50 g/10 minutes (provided that the total of the fractions (A), (B) and (C) is taken as 100% by mass).

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
28 August 2023
Publication Number
49/2023
Publication Type
INA
Invention Field
POLYMER TECHNOLOGY
Status
Email
Parent Application

Applicants

MITSUI CHEMICALS, INC.
2-1, Yaesu 2-chome, Chuo-ku, Tokyo 1040028

Inventors

1. SHIOZAKI Nao
c/o MITSUI CHEMICALS, INC., 3, Chigusakaigan, Ichihara-shi, Chiba 2990108
2. NODA Kiminori
c/o MITSUI CHEMICALS, INC., 3, Chigusakaigan, Ichihara-shi, Chiba 2990108
3. EGAWA Makoto
c/o MITSUI CHEMICALS, INC., 3, Chigusakaigan, Ichihara-shi, Chiba 2990108
4. KAI Yuki
c/o MITSUI CHEMICALS, INC., 3, Chigusakaigan, Ichihara-shi, Chiba 2990108
5. HOYA Hiroshi
c/o MITSUI CHEMICALS, INC., 3, Chigusakaigan, Ichihara-shi, Chiba 2990108

Specification

Documents

Application Documents

# Name Date
1 202317057560-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [28-08-2023(online)].pdf 2023-08-28
2 202317057560-STATEMENT OF UNDERTAKING (FORM 3) [28-08-2023(online)].pdf 2023-08-28
3 202317057560-REQUEST FOR EXAMINATION (FORM-18) [28-08-2023(online)].pdf 2023-08-28
4 202317057560-PROOF OF RIGHT [28-08-2023(online)].pdf 2023-08-28
5 202317057560-PRIORITY DOCUMENTS [28-08-2023(online)].pdf 2023-08-28
6 202317057560-POWER OF AUTHORITY [28-08-2023(online)].pdf 2023-08-28
7 202317057560-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [28-08-2023(online)].pdf 2023-08-28
8 202317057560-FORM 18 [28-08-2023(online)].pdf 2023-08-28
9 202317057560-FORM 1 [28-08-2023(online)].pdf 2023-08-28
10 202317057560-DECLARATION OF INVENTORSHIP (FORM 5) [28-08-2023(online)].pdf 2023-08-28
11 202317057560-COMPLETE SPECIFICATION [28-08-2023(online)].pdf 2023-08-28
12 202317057560-FORM 3 [18-01-2024(online)].pdf 2024-01-18
13 202317057560-FER.pdf 2025-05-08
14 202317057560-FORM 3 [05-08-2025(online)].pdf 2025-08-05
15 202317057560-OTHERS [04-11-2025(online)].pdf 2025-11-04
16 202317057560-FER_SER_REPLY [04-11-2025(online)].pdf 2025-11-04
17 202317057560-CLAIMS [04-11-2025(online)].pdf 2025-11-04
18 202317057560-ABSTRACT [04-11-2025(online)].pdf 2025-11-04

Search Strategy

1 202317057560_SearchStrategyNew_E_SearchHistoryE_07-05-2025.pdf