Multilayer Film, Packaging Material, And Package

Abstract: A multilayer film comprising a heat seal layer and a concealing layer that is provided to the heat seal layer, the heat seal layer including a propylene homopolymer (A) and/or a propylene-based copolymer resin (B), the concealing layer including a propylene-ethylene block copolymer resin (C), an ethylene-propylene copolymer elastomer (D), and titanium oxide (E), and the titanium oxide (E) content of the concealing layer being 0.10-30.00 mass% with reference to the total mass of the concealing layer.

Patent Information

Application #

Filing Date

20 September 2024

Publication Number

03/2025

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

Parent Application

Applicants

TOPPAN HOLDINGS INC.

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

Inventors

1. TANAKA Ryo

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

2. KATSUME Tomoya

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

Specification

Documents

Application Documents

#	Name	Date
1	202447071212-STATEMENT OF UNDERTAKING (FORM 3) [20-09-2024(online)].pdf	2024-09-20
2	202447071212-REQUEST FOR EXAMINATION (FORM-18) [20-09-2024(online)].pdf	2024-09-20
3	202447071212-PROOF OF RIGHT [20-09-2024(online)].pdf	2024-09-20
4	202447071212-PRIORITY DOCUMENTS [20-09-2024(online)].pdf	2024-09-20
5	202447071212-FORM 18 [20-09-2024(online)].pdf	2024-09-20
6	202447071212-FORM 1 [20-09-2024(online)].pdf	2024-09-20
7	202447071212-DRAWINGS [20-09-2024(online)].pdf	2024-09-20
8	202447071212-DECLARATION OF INVENTORSHIP (FORM 5) [20-09-2024(online)].pdf	2024-09-20
9	202447071212-COMPLETE SPECIFICATION [20-09-2024(online)].pdf	2024-09-20
10	202447071212-FORM-26 [23-09-2024(online)].pdf	2024-09-23
11	202447071212-FORM 3 [21-02-2025(online)].pdf	2025-02-21