Multilayer Film, Packaging Material, And Package

Abstract: The present disclosure relates to a multilayer film. This multilayer film is provided with the following in the indicated sequence: a first outer layer, which is a heat-seal layer and comprises a propylene homopolymer (A) and a propylene·ethylene random copolymer (B); an inner layer comprising a propylene·ethylene block copolymer (C) and an ethylene·propylene copolymer elastomer (D); and a second outer layer comprising the propylene homopolymer (A) and the propylene·ethylene random copolymer (B). At least any of the first outer layer, the inner layer, and the second outer layer additionally contains a polyphenol compound.

Patent Information

Application #

Filing Date

17 October 2023

Publication Number

36/2024

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

Parent Application

Applicants

TOPPAN INC.

5-1, Taito 1-chome, Taito-ku, Tokyo 1100016

Inventors

1. HAMADA Daisuke

c/o TOPPAN INC., 5-1, Taito 1-chome, Taito-ku, Tokyo 1100016

Specification

Documents

Application Documents

#	Name	Date
1	202317070592-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [17-10-2023(online)].pdf	2023-10-17
2	202317070592-STATEMENT OF UNDERTAKING (FORM 3) [17-10-2023(online)].pdf	2023-10-17
3	202317070592-PROOF OF RIGHT [17-10-2023(online)].pdf	2023-10-17
4	202317070592-PRIORITY DOCUMENTS [17-10-2023(online)].pdf	2023-10-17
5	202317070592-POWER OF AUTHORITY [17-10-2023(online)].pdf	2023-10-17
6	202317070592-FORM 1 [17-10-2023(online)].pdf	2023-10-17
7	202317070592-DRAWINGS [17-10-2023(online)].pdf	2023-10-17
8	202317070592-DECLARATION OF INVENTORSHIP (FORM 5) [17-10-2023(online)].pdf	2023-10-17
9	202317070592-COMPLETE SPECIFICATION [17-10-2023(online)].pdf	2023-10-17
10	202317070592-FORM 3 [09-04-2024(online)].pdf	2024-04-09
11	202317070592-FORM 18 [04-03-2025(online)].pdf	2025-03-04