AZO compound and ink containing the compound
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United States of America Patent
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Dec 1, 2015
Grant Date -
Mar 20, 2014
app pub date -
Nov 20, 2013
filing date -
May 20, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An object of the present invention is to provide an ink containing an azo compound which is excellent in solubility in a solvent and has a high extinction coefficient. The present invention relates to an ink comprising a solvent having a relative permittivity of 3 or less, as measured at a frequency of 1 kHz and at 22° C. and having a solubility in water of 20 mg/L or less at 25° C. and a specific azo compound.
First Claim
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International Classification(s)
- B41J:TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. M....
- C07D:HETEROCYCLIC COMPOUNDS
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- C09B:ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PROD....
- G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....
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