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:
Feb. 17, 2026

Filed:

Jun. 04, 2020
Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Lanhe Zhang, Pearland, TX (US);

Jong Young Lee, Sugar Land, TX (US);

Lori L. Kardos, Sugar Land, TX (US);

Rajen M. Patel, Lake Jackson, TX (US);

Shaun Parkinson, Tarragona, ES;

Hrishikesh R. Munj, Lake Jackson, TX (US);

Teresa P. Karjala, Lake Jackson, TX (US);

Jose Eduardo Ruiz, Sugar Land, TX (US);

Luis Duque, Tarragona, ES;

Jesus Nieto, Cambrils, ES;

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/32 (2006.01); B29C 48/00 (2019.01); B29C 48/10 (2019.01); B29C 48/21 (2019.01); B29K 23/00 (2006.01); B29L 23/00 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
B32B 27/327 (2013.01); B29C 48/022 (2019.02); B29C 48/10 (2019.02); B29C 48/21 (2019.02); B32B 27/08 (2013.01); B29K 2023/0625 (2013.01); B29K 2023/065 (2013.01); B29K 2995/0063 (2013.01); B29L 2023/001 (2013.01); B32B 2250/05 (2013.01); B32B 2250/40 (2013.01);
Abstract

The present disclosure provides a multi-layer blown film, comprising: a first skin layer and a second skin layer, where at least one of the first skin layer and the second skin layer comprises from 80 to 100 wt. % of a LLDPE, where the LLDPE has a density from 0.910 to 0.935 g/cm; a core layer between the first skin layer and the second skin layer, where the core layer comprises from 70 to 100 wt. % of a second LLDPE having density from 0.910 to 0.935 g/cm; and a first inner layer and a second inner layer, where at least one of the first inner layer and the second inner layer comprises from 80 to 100 wt. % of a HDPE, where the HDPE has a density from 0.940 to 0.970 g/cm; where the multi-layer blown film has a density from 0.925 to 0.940 g/cmand a total thickness of 15 to 150 μm.


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