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:
Apr. 07, 2026
Filed:
Mar. 30, 2021
Sekisui Chemical Co., Ltd., Osaka, JP;
Jun Ishida, Shiga, JP;
Hiromitsu Nishino, Shiga, JP;
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Abstract
Provided is an interlayer film for laminated glass capable of preventing a winding core from falling off a roll body of the interlayer film. The interlayer film for laminated glass according to the present invention includes one end and the other end being on an opposite side of the one end, the one end having a thickness of 1.05 mm or less, a first resin layer having a glass transition temperature of less than 15° C., a second resin layer having a glass transition temperature of 15° C. or more, and a region where a total number of laminated layers of the first resin layer and the second resin layer in a thickness direction is five or more, and in the region where the total number of laminated layers is five or more, the region has Y/Z being 1.01 or more when a thickness by one layer of surface layers is denoted by Yμm and a thickness by one layer of layers neighboring the surface layers is denoted by Z μm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile