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Title:
NEAR-INFRARED LIGHT TRANSMITTING BLACK PARTICLES
Document Type and Number:
WIPO Patent Application WO/2023/022199
Kind Code:
A1
Abstract:
The present invention provides near-infrared light transmitting black particles which have a high transmittance in the near-infrared light region, while having a low transmittance in the visible light region. The present invention provides near-infrared light transmitting black particles wherein the transmittance T600 (%) at the wavelength of 600 nm and the transmittance T900 (%) at the wavelength of 900 nm as determined using a spectrophotometer satisfy relational expression (1). (1): T900 – T600 ≥ 60

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Inventors:
ISHII MASAHIRO (JP)
FUKUI HIROJI (JP)
SUN REN-DE (JP)
SUEMATSU MIKITOSHI (JP)
KUDO TAKUYA (JP)
Application Number:
PCT/JP2022/031226
Publication Date:
February 23, 2023
Filing Date:
August 18, 2022
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C08G14/073; B41J2/01; C09B59/00; C09B69/10; C09K3/00; G02B5/22
Domestic Patent References:
WO2019230684A12019-12-05
WO2021070694A12021-04-15
WO2018034082A12018-02-22
WO2016052641A12016-04-07
WO2010044393A12010-04-22
WO2012026577A12012-03-01
Foreign References:
JP2015110691A2015-06-18
JP2002348491A2002-12-04
JPH11236514A1999-08-31
JPH11269136A1999-10-05
Attorney, Agent or Firm:
WISEPLUS IP FIRM (JP)
Download PDF:
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