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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11884799 B1

PDFFull Text
Date of Patent:
Jan. 30, 2024

Filed:

Sep. 06, 2019

Polyethylene resin composition, laminate, and medical container

Applicant:

Tosoh Corporation, Shunan, JP;

Inventors:

Hideyasu Nakao, Yokkaichi, JP;

Yoshiyuki Moro, Yokkaichi, JP;

Assignee:

TOSOH CORPORATION, Shunan, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

John Kim

Int. Cl.
CPC ...
C08L 23/06 (2006.01); A61J 1/10 (2006.01); A61J 1/14 (2023.01); B32B 1/02 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/32 (2006.01); C08L 23/08 (2006.01); C08F 210/16 (2006.01); C08F 4/659 (2006.01); C08F 4/6592 (2006.01); B32B 27/20 (2006.01); B32B 7/12 (2006.01); A61L 31/04 (2006.01);
U.S. Cl.
CPC ...
C08L 23/06 (2013.01); A61J 1/10 (2013.01); A61J 1/1468 (2015.05); B32B 1/02 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/32 (2013.01); C08F 210/16 (2013.01); C08L 23/0815 (2013.01); A61L 31/048 (2013.01); B32B 7/12 (2013.01); B32B 27/20 (2013.01); B32B 2250/03 (2013.01); B32B 2250/242 (2013.01); B32B 2250/40 (2013.01); B32B 2270/00 (2013.01); B32B 2307/306 (2013.01); B32B 2307/412 (2013.01); B32B 2307/7242 (2013.01); B32B 2307/732 (2013.01); B32B 2439/46 (2013.01); B32B 2439/80 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 4/65925 (2013.01); C08F 4/65927 (2013.01); C08F 2410/06 (2021.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2207/062 (2013.01); C08L 2207/066 (2013.01);
Abstract

A polyethylene resin composition comprising from 50 to 89 parts by weight of a linear low density polyethylene (A) having specific physical properties, from 10 to 40 parts by weight of a high density polyethylene (B) having specific physical properties, and from 1 to 20 parts by weight of a high pressure low density polyethylene (C) having specific physical properties (the total amount of (A), (B) and (C) is 100 parts by weight), and having MFR of from 3.0 to 9.0 g/10 min, is excellent in heat resistance, flexibility, barrier property and cleanness (low particle property), will not deform even after sterilization at 121° C., maintains high transparency and is excellent in processability in water cooling blown-film extrusion, and a medical container using it.

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