US4215041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diazo substituted amino-benzene salts and lithographic plate comprising same
Assignee: Kodak Graphics Holding Inc
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Filing: 1978-07-12
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Granted: 1980-07-29
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Expires: 1998-07-12
Abstract
Abstract Substituted amino-benzene diazonium compounds particularly useful for the preparation of lithographic printing plates, a process for the preparation of this compound and printing plate, and for the use of the plate; and a lithographic plate presensitized with this compound, are described.
Inventors
- 👤 Georges A. Phlipot
- 👤 Jacques R. G. Haeck
- 👤 Simone J. Kempen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:07
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
107 words
A diazonium compound corresponding to one of the following formulas: ##STR14## wherein G' and G 2 are the same or different and are either OH or ##STR15## R represents (a) alkylene having 1 to 12 carbon atoms, arylene having 6 to 10 carbon atoms, alkylarylene or alkylarylalkylene having 8 to 16 carbon atoms, (b) a photocrosslinkable moiety containing ethylenic unsaturation and having from 4 to 30 carbon atoms, or (c) a group containing an azide, m is a number between 2 and 5, n, n 1 and n 2 are the same or different and are whole numbers from 1 to 4, and X.sup.⊖ is an anion.
Claim 2
Dependent Claim
107 words
A diazonium compound corresponding to one of the following formulas: ##STR14## wherein G' and G 2 are the same or different and are either OH or ##STR15## R represents (a) alkylene having 1 to 12 carbon atoms, arylene having 6 to 10 carbon atoms, alkylarylene or alkylarylalkylene having 8 to 16 carbon atoms, (b) a photocrosslinkable moiety containing ethylenic unsaturation and having from 4 to 30 carbon atoms, or (c) a group containing an azide, m is a number between 2 and 5, n, n 1 and n 2 are the same or different and are whole numbers from 1 to 4, and X.sup.⊖ is an anion.
Claim 3
Dependent Claim
37 words
A compound as defined in claim 1, wherein, in Formulas I and II, R represents alkylene having 1 to 8 carbon atoms, and n, n 1 and n 2 each represents the whole number 1 or 2.
Claim 4
Dependent Claim
15 words
A compound as defined in claim 1 wherein R includes one or more ethylenic unsaturation.
Claim 5
Dependent Claim
17 words
A compound as defined in claim 1, wherein R corresponds to one of the following formulas: ##STR16##
Claim 6
Dependent Claim
16 words
A diazonium compound corresponding to one of the following formulas: ##STR17## wherein X.sup.⊖ is an anion.
Claim 7
Dependent Claim
16 words
A diazonium compound corresponding to one of the following formulas: ##STR17## wherein X.sup.⊖ is an anion.
References Cited (Backward Citations)
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US3149972A
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US3778270A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-07-29 | 1984-01-28 | 1984-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-29 | 1988-01-28 | 1988-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-29 | 1992-01-28 | 1992-07-29 | $7700.00 | Window Closed / Lapsed |