Gas Barrier Film, Laminate, And Packaging Material

Abstract: A gas barrier film according to the present invention comprises a substrate having polyethylene as a main resin component, and an inorganic oxide layer or oxygen barrier membrane formed on a first surface side of the substrate. The probe descent temperature on the first surface side of the substrate is 180ºC or less, and polyethylene accounts for 90 mass% or greater of the entire gas barrier film.

Patent Information

Application #

Filing Date

14 December 2023

Publication Number

40/2024

Publication Type

INA

Invention Field

POLYMER TECHNOLOGY

Status

Email

Parent Application

Applicants

TOPPAN INC.

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

Inventors

1. TAKEI Ryo

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

2. YAMADA Mikinori

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

Specification

Documents

Application Documents

#	Name	Date
1	202317085371-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [14-12-2023(online)].pdf	2023-12-14
2	202317085371-STATEMENT OF UNDERTAKING (FORM 3) [14-12-2023(online)].pdf	2023-12-14
3	202317085371-PROOF OF RIGHT [14-12-2023(online)].pdf	2023-12-14
4	202317085371-PRIORITY DOCUMENTS [14-12-2023(online)].pdf	2023-12-14
5	202317085371-POWER OF AUTHORITY [14-12-2023(online)].pdf	2023-12-14
6	202317085371-FORM 1 [14-12-2023(online)].pdf	2023-12-14
7	202317085371-FIGURE OF ABSTRACT [14-12-2023(online)].pdf	2023-12-14
8	202317085371-DRAWINGS [14-12-2023(online)].pdf	2023-12-14
9	202317085371-DECLARATION OF INVENTORSHIP (FORM 5) [14-12-2023(online)].pdf	2023-12-14
10	202317085371-COMPLETE SPECIFICATION [14-12-2023(online)].pdf	2023-12-14
11	202317085371-Others-191223.pdf	2024-01-04
12	202317085371-Others-191223-1.pdf	2024-01-04
13	202317085371-GPA-191223.pdf	2024-01-04
14	202317085371-Correspondence-191223.pdf	2024-01-04
15	202317085371-certified copy of translation [23-04-2024(online)].pdf	2024-04-23
16	202317085371-FORM 3 [02-05-2024(online)].pdf	2024-05-02
17	202317085371-Others-250424.pdf	2024-05-03
18	202317085371-Correspondence-250424.pdf	2024-05-03
19	202317085371-FORM 18 [19-02-2025(online)].pdf	2025-02-19