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:
May. 16, 2023
Filed:
Jan. 20, 2022
Applicant:
Skc Co., Ltd., Suwon-si, KR;
Inventors:
Hyejin Kim, Suwon-si, KR;
Haksoo Lee, Suwon-si, KR;
Assignee:
SKC Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/10 (2006.01);
U.S. Cl.
CPC ...
B32B 17/10761 (2013.01); B32B 17/10036 (2013.01); B32B 17/10605 (2013.01); B32B 17/10614 (2013.01); B32B 2307/102 (2013.01); B32B 2307/418 (2013.01); B32B 2307/538 (2013.01); B32B 2605/006 (2013.01);
Abstract
The plastic intermediate film includes a sound insulating layer, wherein the sound insulating layer comprises a polyvinyl acetal resin, a plasticizer, and a refractive index regulator, wherein the refractive index regulator is particles with average diameter (D) of 100 nm or less and has an absolute refractive index of 2.0 or more, wherein the refractive index regulator is comprised in an amount of more than 0 wt % and 1 wt % or less based on the entire sound insulating layer, and wherein the plasticizer is comprised in an amount of 33 to 41 wt % based on the entire sound insulating layer.