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.:
Date of Patent:
Sep. 26, 2023
Filed:
Jul. 19, 2019
Daicel-evonik Ltd., Tokyo, JP;
Daisuke Fujiki, Tokyo, JP;
Toshihiko Fujinaka, Tokyo, JP;
DAICEL-EVONIK LTD., Tokyo, JP;
Abstract
Provided is a laminate that generates a structural color, where the laminate can be subjected to a deep-drawing process without deteriorating the color developing structure of the structural color. The laminate according to an embodiment of the present invention includes a polyamide layer () and a thermoplastic polyurethane layer () having a color developing structure of a structural color. The thermoplastic polyurethane layer () is preferably a thermoplastic polyurethane layer having a structure having recesses and protrusions on a face that is opposite a face in contact with the polyamide layer () or a layer formed by alternately laminating two types of thermoplastic polyurethanes having a difference in refractive indexes of 0.03 or greater.