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.

Date of Patent:
Sep. 15, 2026

Filed:

Jun. 08, 2022
Applicant:

Exxonmobil Chemical Patents Inc., Baytown, TX (US);

Inventors:

Xiao-Chuan Wang, Shanghai, CN;

Zhi-Yi Shen, Shanghai, CN;

Chao Liu, Shanghai, CN;

Zhi Hui Zhang, Wuhan, CN;

Qin Wang, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/32 (2006.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); B29C 48/21 (2019.01); B32B 7/02 (2019.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B29K 23/00 (2006.01); B29K 105/16 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); B29C 48/0018 (2019.02); B29C 48/022 (2019.02); B29C 48/08 (2019.02); B29C 48/21 (2019.02); B32B 7/02 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B29K 2023/0625 (2013.01); B29K 2023/0633 (2013.01); B29K 2023/065 (2013.01); B29K 2105/16 (2013.01); B32B 2250/242 (2013.01); B32B 2250/40 (2013.01); B32B 2270/00 (2013.01); B32B 2307/518 (2013.01); B32B 2307/54 (2013.01); B32B 2307/5825 (2013.01); B32B 2307/72 (2013.01); B32B 2553/00 (2013.01);
Abstract

Provided herein are substantially all-poly ethylene films, and in particular blown biaxially oriented all-polyethylene films. The films can be multi-layer, and can be produced using a double bubble process. Particular multi-layer films include at least two skin layers, and al least one core layer disposed directly or indirectly between the at least two skin layers. The film composes: a narrow-composition-distribution metallocene linear low density' polyethylene (narrow-CD mLLDPE), a long-chain-branched metallocene linear low density′ polyethylene (LCB mLLDPE), and, optionally, either or both of a low density polyethylene (LDPE) and high density polyethylene (HDPE).


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