Infrared-light-transmitting ink of dark color, and infrared-light-reflecting sheet obtained using same
US10407579B2 · kind B2 · utility
2Cited by
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17Claims
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Key dates
| Filing date | Sep 30, 2015 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Oct 26, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F19/85
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In order to satisfy the demand of consumers regarding design attractiveness, an infrared-light-transmitting dark color ink is provided, the ink having a black appearance and attaining high design attractiveness and, despite this, having sufficient infrared-light-transmitting property. The infrared-light-transmitting dark color ink transmits near infrared light having wavelengths of 750-1,500 nm, and comprises a resin component and a pigment component that comprises both a brown pigment, e.g., a benzimidazolone pigment, and a phthalocyanine pigment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.