Ultraviolet- and infrared-absorbing composition and ultraviolet- and infrared-absorbing filter
US11535726B2 · kind B2 · utility
3Cited by
0References
14Claims
0Family size
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Key dates
| Filing date | Dec 12, 2017 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Jan 19, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/282
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A UV-IR-absorbing composition according to the present invention includes: an absorber formed by a phosphonic acid represented by the following formula (a) and copper ion, the absorber being dispersed in the UV-IR-absorbing composition; a phosphoric acid ester allowing the absorber to be dispersed; a matrix resin; and an alkoxysilane monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.