Near infrared absorber, preparation process therefor and use thereof
US5705101A · kind A · utility
34Cited by
8References
9Claims
0Family size
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Key dates
| Filing date | Dec 18, 1995 |
| Grant date | Jan 6, 1998 |
| Priority date | — |
| Expiry date | Dec 18, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/223
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A phthalocyanine near infrared absorber having a broad absorption range in the near infrared region and represented by the following formula (1): ##STR1## wherein each of the groups is defined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.