Method of preparing a light-absorbing coating

Coating processes – Electrical product produced – Hollow article

Reexamination Certificate

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Details

C427S066000, C427S067000

Reexamination Certificate

active

07740900

ABSTRACT:
A method of preparing a light-absorbing layer applied to a lamp vessel of an electric lamp. At least a part of the lamp vessel is provided with a light-absorbing coating which has stabilized pigments incorporated in a sol-gel matrix. In order to stabilize the pigments, an aminosilane is added.

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