US5482546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye, ink containing the same, and ink-jet recording method and instrument using the ink
Assignee: Canon Inc
•
Filing: 1995-03-28
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Granted: 1996-01-09
•
Expires: 2015-03-28
Abstract
Abstract Disclosed herein is a dye represented by the general formula ##STR1## wherein R 1 , R 2 , R 3 and R 4 are independently a radical selected from the Group B or a radical of the formula (i) or (ii), R 5 is CH 3 or COONH 4 , and R 6 , R 7 , R 8 and R 9 are independently a radical selected from the Group B or a radical of the formula (iii), with the proviso that in a molecule of the dye, the number of SO 3 NH 4 is 1 and the number of COONH 4 is 2 or 3: Group B: H, OH, CH 3 , C 1 , COONH 4 and SO 3 NH 4 ; ##STR2##
Inventors
- 👤 Tsuyoshi Eida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:34
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328; C09B; C09B29/00; C09B29/34; C09B29/36; C09B29/3604; C09B29/3647; C09B29/3652; C09B29/366
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
123 words
A dye represented by the general formula ##STR11## wherein R 1 , R 2 , R 3 and R 4 are independently a radical selected from the Group B or a radical of the formula (i) or (ii), R 5 is CH 3 or COONH 4 , and R 6 , R 7 , R 8 and R 9 are independently a radical selected from the Group B or a radical of the formula (iii), with the proviso that in a molecule of the dye, the number of SO 3 NH 4 radicals is 1 and the number of COONH 4 radicals is 2 or 3: Group B: H, OH, CH 3 , Cl, COONH 4 and SO 3 NH 4 ; ##STR12##
Claim 2
Dependent Claim
123 words
A dye represented by the general formula ##STR11## wherein R 1 , R 2 , R 3 and R 4 are independently a radical selected from the Group B or a radical of the formula (i) or (ii), R 5 is CH 3 or COONH 4 , and R 6 , R 7 , R 8 and R 9 are independently a radical selected from the Group B or a radical of the formula (iii), with the proviso that in a molecule of the dye, the number of SO 3 NH 4 radicals is 1 and the number of COONH 4 radicals is 2 or 3: Group B: H, OH, CH 3 , Cl, COONH 4 and SO 3 NH 4 ; ##STR12##
Claim 3
Dependent Claim
171 words
The dye according to claim 1, wherein in the general formula (A), R 1 is a radical selected from the group consisting of H, OH and COONH 4 or a radical of the formula ##STR13## R 2 is a radical selected from the group consisting of H, COONH 4 and SO 3 NH 4 or a radical of the formula ##STR14## R 3 is a radical selected from the group consisting of H, CH 3 , COONH 4 and SO 3 NH 4 , R 4 is a radical selected from the group consisting of H, Cl, COONH 4 and SO 3 NH 4 , R 6 and R 7 are independently a radical selected from the group consisting of H, Cl and SO 3 NH 4 , R 8 is a radical selected from the group consisting of H and COONH 4 or a radical of the formula ##STR15## and R 9 is a radical selected from the group consisting of H, OH, Cl and SO 3 NH 4 .
Claim 4
Dependent Claim
23 words
An ink comprising a coloring material, water and a water-soluble organic solvent, wherein the coloring material is the dye according to claim 1.
Claim 5
Dependent Claim
23 words
An ink comprising a coloring material, water and a water-soluble organic solvent, wherein the coloring material is the dye according to claim 2.
Claim 6
Dependent Claim
30 words
The ink according to claim 3, wherein the coloring material is contained within a range of from 0.1 to 15% by weight based on the total weight of the ink.
Claim 7
Dependent Claim
30 words
The ink according to claim 4, wherein the coloring material is contained within a range of from 0.1 to 15% by weight based on the total weight of the ink.
Claim 8
Dependent Claim
29 words
The ink according to claim 3, wherein the water is contained within a range of from 10 to 97.5% by weight based on the total weight of the ink.
Claim 9
Dependent Claim
29 words
The ink according to claim 4, wherein the water is contained within a range of from 10 to 97.5% by weight based on the total weight of the ink.
Claim 10
Dependent Claim
29 words
The ink according to claim 3, wherein the solvent is contained within a range of from 2 to 80% by weight based on the total weight of the ink.
Claim 11
Dependent Claim
29 words
The ink according to claim 4, wherein the solvent is contained within a range of from 2 to 80% by weight based on the total weight of the ink.
Claim 12
Dependent Claim
23 words
The ink according to claim 3, wherein the ink has a viscosity ranging from 1 to 20 cP as measured at 25° C.
Claim 13
Dependent Claim
23 words
The ink according to claim 4, wherein the ink has a viscosity ranging from 1 to 20 cP as measured at 25° C.
Claim 14
Dependent Claim
21 words
The ink according to claim 3, wherein the ink has a surface tension of at least 30 dyne/at 25° C. cm.
Claim 15
Dependent Claim
21 words
The ink according to claim 4, wherein the ink has a surface tension of at least 30 dyne/at 25° C. cm.
Claim 16
Dependent Claim
18 words
The ink according to claim 3, wherein the ink has a pH value ranging from 6 to 10.
Claim 17
Dependent Claim
18 words
The ink according to claim 4, wherein the ink has a pH value ranging from 6 to 10.
Claim 18
Dependent Claim
27 words
A color ink set comprising in combination yellow, magenta and cyan inks, wherein the ink according to claim 3 or 4 is used as the yellow ink.
Claim 19
Dependent Claim
28 words
A color ink set comprising in combination yellow, magenta, cyan and black inks, wherein the ink according to claim 3 or 4 is used as the yellow ink.
Claim 20
Dependent Claim
36 words
An ink-jet recording method comprising applying an ink to a recording medium by an ink-jet system to conduct recording, wherein the ink according to any one of claims 3 to 16 is used as said ink.
Claim 21
Dependent Claim
28 words
The ink-jet recording method according to claim 19, wherein the ink-jet system is a system in which thermal energy is applied to the ink to generate ink droplets.
Claim 22
Dependent Claim
33 words
An ink-jet recording method comprising applying an ink to a recording medium by an ink-jet system to conduct recording, wherein the recording is conducted by using the ink set according to claim 17.
Claim 23
Dependent Claim
33 words
An ink-jet recording method comprising applying an ink to a recording medium by an ink-jet system to conduct recording, wherein the recording is conducted by using the ink set according to claim 18.
Claim 24
Dependent Claim
30 words
The ink-jet recording method according to claim 21 or 22, wherein the ink-jet system is a system in which thermal energy is applied to the ink to generate ink droplets.
Claim 25
Dependent Claim
42 words
A recording unit comprising a container portion for an ink and a head from which the ink is ejected in the form of ink droplets, wherein the ink according to any one of claims 3 to 16 is used as said ink.
Claim 26
Dependent Claim
29 words
The recording unit according to claim 24, wherein an ink-jet system, in which thermal energy is applied to the ink to generate ink droplets, is applied to the head.
Claim 27
Dependent Claim
27 words
An ink cartridge comprising a container portion for an ink, wherein the ink according to any one of claims 3 to 16 is used as said ink.
Claim 28
Dependent Claim
12 words
An ink-jet recording apparatus comprising the recording unit according to claim 24.
Claim 29
Dependent Claim
12 words
An ink-jet recording apparatus comprising the recording unit according to claim 25.
Claim 30
Dependent Claim
12 words
An ink-jet recording apparatus comprising the ink cartridge according to claim 26.
Claim 31
Dependent Claim
20 words
The ink-jet recording apparatus according to claim 29, further comprising a head which generates ink droplets by an ink-jet system.
Claim 32
Dependent Claim
12 words
An ink-jet recording apparatus comprising the ink set according to claim 17.
Claim 33
Dependent Claim
12 words
An ink-jet recording apparatus comprising the ink set according to claim 18.
Claim 34
Dependent Claim
20 words
The ink-jet recording apparatus according to claim 31, further comprising a head which generates ink droplets by an ink-jet system.
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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) | 1999-01-08 | 1999-07-10 | 2000-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-08 | 2003-07-10 | 2004-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-08 | 2007-07-10 | 2008-01-09 | $7700.00 | Window Closed / Lapsed |