Heat-absorbent multi-layer structure

Stock material or miscellaneous articles – Vehicle body ornament

Reexamination Certificate

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Details

C428S220000, C428S332000, C428S334000, C428S335000, C428S336000, C428S412000, C428S447000, C428S923000, C428S926000

Reexamination Certificate

active

06893689

ABSTRACT:
A transparent heat-absorbent multi-layer structure comprising, (A) a first layer, and (B) a second layer is described. The first layer (A) contains at least one organic infrared absorber (e.g., a phthalocyanine) and at least one ultraviolet absorber (e.g., a benzotriazole), and the second layer (B) contains at least one ultraviolet absorber and is substantially free of organic infrared absorbers. The first layer (A) is the only layer in the multi-layer structure that contains an organic infrared absorber. Also described is a method of preparing the multi-layer structure. Molded articles that may comprise the multi-layer structure of the present invention include glazings, such as automotive glazings.

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