US5494507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye having hydrophobic substituent and aqueous ink
Assignee: Funai Electric Co Ltd
•
Filing: 1994-12-19
•
Granted: 1996-02-27
•
Expires: 2014-12-19
Abstract
Abstract A dye having a representative formula as follows and an ink providing waterfast printing having the dye, in which a surfactant is not essential: ##STR1##
Inventors
- 👤 Bradley L. Beach
- 👤 James F. Feeman
- 👤 Ann M. Piekunka
- 👤 Allen C. Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:23
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328; C09B; C09B29/00; C09B29/0003; C09B29/24; C09B29/28; C09B29/30; C09B29/34; C09B29/36; C09B29/3604; C09B29/3647; C09B29/3652; C09B29/366; C09B31/00; C09B31/02; C09B31/08; C09B31/16; C09B31/18; C09B33/00; C09B33/02; C09B33/08; C09B33/10
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
89 words
A dye of the structural formula: ##STR12## Wherein: R 1 is an alkyl group having from 6 to 16 carbon atoms; R 2 is one of the substitutents in the following list of substitutents: ##STR13## where, R 4 is: --H, --lower alkyl, --lower alkoxyl; R 5 is: --H --lower alkyl, --lower alkoxyl; R 6 is: --lower alkyl, --lower hydroxyalkyl, --CH 2 CH 2 CO 2 M; R 7 is: --lower hydroxylalkyl, --CH 2 CH 2 CO 2 M; or ##STR14## M is --H, --NH 4 , --Li, --Na, --K.
Claim 2
Dependent Claim
89 words
A dye of the structural formula: ##STR12## Wherein: R 1 is an alkyl group having from 6 to 16 carbon atoms; R 2 is one of the substitutents in the following list of substitutents: ##STR13## where, R 4 is: --H, --lower alkyl, --lower alkoxyl; R 5 is: --H --lower alkyl, --lower alkoxyl; R 6 is: --lower alkyl, --lower hydroxyalkyl, --CH 2 CH 2 CO 2 M; R 7 is: --lower hydroxylalkyl, --CH 2 CH 2 CO 2 M; or ##STR14## M is --H, --NH 4 , --Li, --Na, --K.
Claim 3
Dependent Claim
11 words
A magenta dye as in claim 1 having the structure: ##STR15##
Claim 4
Dependent Claim
11 words
A black dye as in claim 1 having the structure: ##STR16##
Claim 5
Dependent Claim
11 words
A yellow dye as in claim 1 having the structure: ##STR17##
Claim 6
Dependent Claim
11 words
A black dye as in claim 1 having the structure: ##STR18##
Claim 7
Dependent Claim
11 words
A black dye as in claim 1 having the structure: ##STR19##
Claim 8
Dependent Claim
11 words
A black dye as in claim 1 having the structure: ##STR20##
Claim 9
Dependent Claim
26 words
An ink comprising at least 1 percent by weight of dye dissolved in a polar vehicles, said dye being of the structural formula of claim 1.
Claim 10
Dependent Claim
18 words
The ink as in claim 8 in which said dye is a magenta dye of the structure: ##STR21##
Claim 11
Dependent Claim
18 words
The ink as in claim 8 in which said dye is a black dye of the structure: ##STR22##
Claim 12
Dependent Claim
18 words
The ink as in claim 8 in which said dye is a yellow dye of the structure: ##STR23##
Claim 13
Dependent Claim
18 words
The ink as in claim 8 in which said dye is a black dye of the structure: ##STR24##
Claim 14
Dependent Claim
18 words
The ink as in claim 8 in which said dye is a black dye of the structure: ##STR25##
Claim 15
Dependent Claim
18 words
The ink as in claim 8 in which said dye is a black dye of the structure: ##STR26##
Claim 16
Dependent Claim
11 words
The ink of claim 14 also comprising 2-pyrrolidinone as a co-solvent.
Claim 17
Dependent Claim
11 words
The ink of claim 8 also comprising 2-pyrrolidinone as a co-solvent.
Claim 18
Dependent Claim
11 words
The ink of claim 9 also comprising 2-pyrrolidinone as a co-solvent.
Claim 19
Dependent Claim
11 words
The ink of claim 10 also comprising 2-pyrrolidinone as a co-solvent.
Claim 20
Dependent Claim
11 words
The ink of claim 11 also comprising 2-pyrrolidinone as a co-solvent.
Claim 21
Dependent Claim
11 words
The ink of claim 12 also comprising 2-pyrrolidinone as a co-solvent.
Claim 22
Dependent Claim
11 words
The ink of claim 13 also comprising 2-pyrrolidinone as a co-solvent.
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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) | 1999-02-26 | 1999-08-28 | 2000-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-02-26 | 2003-08-28 | 2004-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-02-26 | 2007-08-28 | 2008-02-27 | $7700.00 | Window Closed / Lapsed |