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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 9701798 B1

PDFFull Text
Date of Patent:
Jul. 11, 2017

Filed:

Dec. 21, 2012

Microcapillary films and foams suitable for capillary action fluid transport

Applicant:

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

Inventors:

Luis G. Zalamea Bustillo, Richterswil, CH;

Rudolf J. Koopmans, Einsiedeln, CH;

Miguel A. Prieto Goubert, Richterswil, CH;

Colmar Wocke, Rueti, CH;

Assignee:

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

Attorney:

Dinsmore & Shohl LLP

Primary Examiner:

Michael C Miggins

Int. Cl.
CPC ...
C08J 5/18 (2006.01); B32B 27/06 (2006.01); C08J 9/35 (2006.01); B29D 7/01 (2006.01); B32B 3/20 (2006.01); B32B 5/18 (2006.01); B29C 44/50 (2006.01); B29C 47/00 (2006.01); B29C 47/14 (2006.01); B29K 105/04 (2006.01); B29L 23/00 (2006.01); B29K 23/00 (2006.01); B29K 25/00 (2006.01); B29K 67/00 (2006.01); B29K 75/00 (2006.01); B29K 77/00 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); B29C 44/50 (2013.01); B29D 7/01 (2013.01); B32B 3/20 (2013.01); B32B 5/18 (2013.01); B32B 27/06 (2013.01); C08J 9/35 (2013.01); B29C 47/0021 (2013.01); B29C 47/0028 (2013.01); B29C 47/14 (2013.01); B29K 2023/06 (2013.01); B29K 2023/12 (2013.01); B29K 2025/06 (2013.01); B29K 2067/003 (2013.01); B29K 2075/00 (2013.01); B29K 2077/00 (2013.01); B29K 2105/04 (2013.01); B29K 2995/004 (2013.01); B29K 2995/0068 (2013.01); B29L 2023/22 (2013.01); B32B 2597/00 (2013.01); C08J 2323/02 (2013.01); C08J 2323/06 (2013.01); C08J 2377/02 (2013.01); Y10T 428/1376 (2015.01); Y10T 428/1397 (2015.01); Y10T 428/24744 (2015.01);
Abstract

The instant invention provides microcapillary films and/or foams suitable for capillary action fluid transport. The inventive microcapillary film and/or foam containing suitable for capillary action fluid transport according to the present invention has a first end and a second end, and comprises: (a) a matrix comprising a thermoplastic material, and (b) at least one or more channels disposed in parallel in said matrix from the first end to the second end of said microcapillary film and/or foam, wherein said one or more channels are at least 1 μm apart from each other, wherein each said one or more channels have a diameter in the range of at least 1 μm; wherein said microcapillary film and/or foam has a thickness in the range of from 2 μm to 2000 μm.

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