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. 10, 2026

Filed:

Dec. 23, 2019
Applicant:

Nitto Denko Corporation, Ibaraki, JP;

Inventors:

Kosuke Yonezaki, Ibaraki, JP;

Hakaru Horiguchi, Ibaraki, JP;

Yuta Shimazaki, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 5/00 (2006.01); B32B 17/10 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); C03C 23/00 (2006.01); C09J 7/24 (2018.01); C09J 7/25 (2018.01); C09J 7/38 (2018.01);
U.S. Cl.
CPC ...
C09J 7/385 (2018.01); B32B 17/10 (2013.01); B32B 27/304 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); C03C 23/0075 (2013.01); C09J 5/00 (2013.01); C09J 7/241 (2018.01); C09J 7/245 (2018.01); C09J 7/255 (2018.01); C09J 7/383 (2018.01); B32B 2250/02 (2013.01); B32B 2255/10 (2013.01); B32B 2255/205 (2013.01); B32B 2255/26 (2013.01); B32B 2315/08 (2013.01); B32B 2323/04 (2013.01); B32B 2327/06 (2013.01); B32B 2367/00 (2013.01); B32B 2419/00 (2013.01); C09J 2203/37 (2020.08); C09J 2301/302 (2020.08); C09J 2301/502 (2020.08); C09J 2400/146 (2013.01); C09J 2421/00 (2013.01); C09J 2423/006 (2013.01); C09J 2427/006 (2013.01); C09J 2433/00 (2013.01); C09J 2467/006 (2013.01); Y10T 428/2891 (2015.01);
Abstract

Provided is a Low-E glass plate protective sheet having excellent long-term reliability. A Low-E glass plate protective sheet is provided. The protective sheet has a PSA layer. The PSA layer has a chloride ion amount of 105 μg or less per gram of PSA, determined by hot water extraction.


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