Infrared absorbent

Details Infrared absorbent Infrared absorbent

1985-07-15

1988-08-16

Terapane, John F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

350311, 549 3, 549 36, 549 59, 252588, 252587, 430510, G02B 522, F21V 904, G03C 184

Patent

active

047639660

ABSTRACT:
An infrared absorbent comprising a metal complex compound prepared by coordinating two thiorato bidentate ligands to a center metal and neutralizing a complex ion with a cation. With use of the infrared absorbent, there is provided an infrared absorbing material capable of absorbing a far-infrared or near-infrared light having a wavelength of 700-1500 nm which has a high transmittance of a visible light and a good fastness to heat and light. The infrared absorbing material can be used for an infrared absorbing material such as an optical filter or other various objects.

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