Compositions – Liquid crystal compositions – Containing dopant salt
Patent
1988-10-20
1990-10-02
Maples, John S.
Compositions
Liquid crystal compositions
Containing dopant salt
2522995, 252587, 252589, 252600, 2522991, 350 11, 350330, 540129, 540130, 540136, 540139, C09K 1958, C09B 4704
Patent
active
049605380
ABSTRACT:
Disclosed are near-infrared absorbents comprising 1,2-naphthalocyanine derivatives wherein the four naphthalene rings contained in the molecule independently have 1 to 6 substituents. Also disclosed is the use of these near-infrared absorbents in optical recording media, near-infrared absorption filters and display materials.
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Enomoto Katashi
Itoh Hisato
Nakatsuka Masakatsu
Nishizawa Tsutomu
Oguchi Takahisa
Maples John S.
Mitsui Toatsu Chemicals, Inc
Treanor Richard
Yamamoto Chemicals Inc.
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