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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 10456503 B1

PDFFull Text
Date of Patent:
Oct. 29, 2019

Filed:

Apr. 20, 2015

Polymer laminate

Applicants:

Tokai University Educational System, Tokyo, JP;

Toray Industries, Inc., Tokyo, JP;

Inventors:

Yosuke Okamura, Hiratsuka, JP;

Yu Nagase, Hiratsuka, JP;

Takuya Komachi, Hiratsuka, JP;

Motonori Hochi, Otsu, JP;

Yuki Sekido, Otsu, JP;

Toru Arakane, Tokyo, JP;

Assignees:

Toray University Educational System, Tokyo, JP;

Toray Industries, Inc., Tokyo, JP;

Attorney:

DLA Piper LLP (US)

Primary Examiner:

Lawrence D Ferguson

Int. Cl.
CPC ...
B32B 27/02 (2006.01); A61L 31/00 (2006.01); A61L 15/16 (2006.01); B32B 27/36 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); A61L 31/04 (2006.01); A61L 31/06 (2006.01); A61L 31/14 (2006.01); A61L 15/24 (2006.01); A61L 15/26 (2006.01); A61L 15/28 (2006.01); A61L 15/64 (2006.01); B32B 9/02 (2006.01); B32B 9/04 (2006.01); B32B 7/05 (2019.01);
U.S. Cl.
CPC ...
A61L 31/00 (2013.01); A61L 15/16 (2013.01); A61L 15/24 (2013.01); A61L 15/26 (2013.01); A61L 15/28 (2013.01); A61L 15/64 (2013.01); A61L 31/042 (2013.01); A61L 31/048 (2013.01); A61L 31/06 (2013.01); A61L 31/148 (2013.01); B32B 7/05 (2019.01); B32B 9/02 (2013.01); B32B 9/04 (2013.01); B32B 9/045 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/36 (2013.01); A61L 2400/12 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2250/44 (2013.01); B32B 2307/7163 (2013.01); B32B 2307/73 (2013.01); B32B 2535/00 (2013.01);
Abstract

A polymer laminate has 2-100 layers each containing a biodegradable resin and having a thickness of 10 nm-400 nm that are laminated, the thickness of at least one of the outermost layers is 10 nm-180 nm, and the outermost layers are joined to each other. A polymer laminate excellent in biocompatibility and mechanical strength and suitable to medical applications such as wound dressings and antiadhesive materials can be obtained.

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