	US 12,459,237 B2
	Laminated glazing comprising a bird protection pattern
Christoph Troska, Herten (DE); and Jochen Regenauer, Hattersheim am Main (DE)
Assigned to KURARAY EUROPE GMBH, Hattersheim am Main (DE)
Appl. No. 18/839,061
Filed by KURARAY EUROPE GMBH, Hattersheim am Main (DE)
PCT Filed Feb. 6, 2023, PCT No. PCT/EP2023/052853 § 371(c)(1), (2) Date Aug. 16, 2024, PCT Pub. No. WO2023/156238, PCT Pub. Date Aug. 24, 2023.
Claims priority of application No. 22157507 (EP), filed on Feb. 18, 2022.
Prior Publication US 2025/0108584 A1, Apr. 3, 2025
Int. Cl. B32B 17/10 (2006.01); A01M 29/08 (2011.01)

CPC B32B 17/10275 (2013.01) [A01M 29/08 (2013.01); B32B 17/10036 (2013.01); B32B 17/10605 (2013.01); B32B 17/10761 (2013.01); B32B 2250/04 (2013.01); B32B 2255/10 (2013.01); B32B 2307/4023 (2013.01); B32B 2307/41 (2013.01)]

15 Claims

1. A laminated glazing, comprising:

at least two glass sheets; and

at least a first and a second thermoplastic interlayer;

wherein:

at least one surface of the first thermoplastic interlayer comprises a bird protection pattern facing the second thermoplastic interlayer;

the first thermoplastic interlayer comprises a polyvinyl acetal;

the first and the second thermoplastic interlayer each contain at least 26.0% by weight plasticizer;

the thickness of the first and the second thermoplastic interlayer is independently 450-2500 μm; and

a yellowness index db of the laminated glazing in areas not comprising the bird protection pattern is less than 1.0 as determined by transmission of a film according to EN 410 at 430 nm on a ColorQuest XE in the Hunterlab 2°/C setting.