Patent US6183549B1 successfully refreshed from Google Patents.
US6183549B1
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Ink compositions containing monoazo dyes
Assignee: Fujifilm Imaging Colorants Ltd
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Filing: 1999-08-27
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Granted: 2001-02-06
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Expires: 2019-08-27
Abstract
Abstract Compounds of Formula (1) and salts thereof:wherein:Ar1 is substituted aryl wherein at least one substituent is -COOH;R1 is H or optionally substituted alkyl;L is substituted phenyl carrying at least one substituent at the 2-position, or optionally substituted naphthyl.Also claimed are compositions comprising a compound of the Formula (1) and a water-soluble magenta dye, liquid compositions, especially inks, containing a compound of Formula (1), an ink jet printing process using the inks, a substrate printed with the inks, and an ink jet printer cartridge and an ink jet printer containing the inks.
Inventors
- 👤 Paul Wight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:02
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328; C09B; C09B29/00; C09B29/24; C09B29/28; C09B29/30
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
44 words
A compound of Formula (1) and salts thereof: wherein: Ar 1 is substituted aryl carrying at least one —COOH group; R 1 is H or optionally substituted alkyl; L is substituted phenyl carrying at least one substituent at the 2-position, or optionally substituted naphthyl.
Claim 2
Dependent Claim
44 words
A compound of Formula (1) and salts thereof: wherein: Ar 1 is substituted aryl carrying at least one —COOH group; R 1 is H or optionally substituted alkyl; L is substituted phenyl carrying at least one substituent at the 2-position, or optionally substituted naphthyl.
Claim 3
Dependent Claim
42 words
A compound according to claim 1 wherein Ar 1 is a group of the Formula (2): wherein: each B independently is a substituent other than H; p is 0 to 4; n is 1 or 2; and (n+p) is 5 or less.
Claim 4
Dependent Claim
37 words
A compound according to claim 1 wherein L is of the Formula (3) or (4): wherein: X and each T independently is a substituent other than H; is 0 to 4; and q is 0 to 7.
Claim 5
Dependent Claim
63 words
A compound according to claim 1 of the Formula (5) and salts thereof: wherein: X 1 is —SO 3 H, —CF 3 , —NH 2 , halo, C 1-6 -alkoxy or C 1-6 -alkyl optionally substituted by —OH, —COOH, —NH 2 or —SO 3 H; and R 4 is H or C 1-4 -alkyl optionally substituted by —OH, —COOH or —SO 3 H.
Claim 6
Dependent Claim
37 words
A compound according to claim 4 wherein the —COOH group is attached ortho to the azo group; R 4 is H or C 1-4 -alkyl; and X 1 is —Cl, C 1-4 -alkyl or —SO 3 H.
Claim 7
Dependent Claim
40 words
A composition comprising: (a) one or more compound according to any one of claims 1 to 5 ; and (b) one or more water-soluble magenta dye other than a compound according to any one of claims 1 to 5 .
Claim 8
Dependent Claim
22 words
A liquid composition comprising: (a) a compound according to any one of claims 1 to 5 ; and (b) a liquid medium.
Claim 9
Dependent Claim
39 words
A liquid composition according to claim 7 wherein the liquid medium comprises (i), (ii) or (iii): (i) a mixture of water and an organic solvent; (ii) an organic solvent free from water; or (iii) a low melting point solid.
Claim 10
Dependent Claim
11 words
A liquid composition according to claim 7 which is an ink.
Claim 11
Dependent Claim
34 words
A process for printing an image on a substrate comprising applying thereto by means of an ink jet printer an ink containing a compound according to any one of claims 1 to 5 .
Claim 12
Dependent Claim
12 words
A substrate printed with a liquid composition according to claim 7 .
Claim 13
Dependent Claim
13 words
A substrate printed by means of the process according to claim 10 .
Claim 14
Dependent Claim
34 words
An ink jet printer cartridge comprising a chamber and ink, wherein the ink is present in the chamber and the ink contains a compound according to any one of claims 1 to 5 .
Claim 15
Dependent Claim
23 words
An ink jet printer containing an ink jet printer cartridge, wherein the ink jet printer cartridge is as defined in claim 13 .
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-02-06 | 2004-08-07 | 2005-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-02-06 | 2008-08-07 | 2009-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-02-06 | 2012-08-07 | 2013-02-06 | $7700.00 | Window Closed / Lapsed |