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US3619191A
Expired / Lapsed
US
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Diazo-type materials
Assignee: Tecnifax Corp
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Filing: 1967-09-13
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Granted: 1971-11-09
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Expires: 1987-09-13
Abstract
Abstract Light-sensitive diazo compositions containing light-sensitive diazonium derivatives of dialkoxy-substituted paraphenylene diamines, at least one coupling component for said diazonium derivatives, and at least one background discoloration inhibitor are disclosed.
Inventors
- 👤 Robert C Desjarlais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:35
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52; G03C1/61; G03C1/54; G03C1/58; G03C1/585; G03C1/60
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
49 words
A light-sensitive diazo composition as claimed in claim 1 wherein the light-sensitive diazonium compound is (derived from 4-morpholino-2,5-diisopropoxyaniline, 4-morpholino-2,5-di(tertiary butoxy) aniline; 4-morpholino-2,5-di(secondary butoxy) aniline; or 4-morpholino-2,5-dicyclopentoxyaniline) a 4-morpholino-2,5-di(isopropoxy) benzene diazonium salt, a 4-morpholino-2,5-di(tertiary butoxy) benzene diazonium salt, a 4-morpholino-2,5-di(secondary butoxy) benzene diazonium salt or a 4-morpholino-2,5-di(cyclopentoxy) benzene diazonium salt.
Claim 2
Dependent Claim
49 words
A light-sensitive diazo composition as claimed in claim 2 which comprises as a background discoloration inhibitor at least one compound selected from the class consisting of N,N''-diphenylethylenediamine, N,N''di(m-tolyl) ethylene diamine, N, N''di(p-tolyl) ethylenediamine, N,N''diphenylpropylenediamine, N, N''diphenyl-2,3-butylenediamine, N,N''-diphenyl-1,2-butylenediamine, N,N''-diphenylstyrenediamine, 1,2, 3triphenylimidazolidene, 1,3-di-(m-tolyl)-2-phenylimidazolidene, and 1,3-di(p-tolyl)-2-phenylimidazolidene, 1,2,3-triphenyl-4-methylimidazolidene, 1,2,3triphenyl4,5-dimethylimidazolidine, 1, 2,3-triphenyl-4-ethylimidazolidine, and 1,2,3,4-tetraphenylimidazolidine.
Claim 3
Dependent Claim
29 words
A light-sensitive diazo composition as claimed in claim 3, wherein at least one of the compound is a compound having the general formula selected from the class consisting of:
Claim 4
Dependent Claim
13 words
A light-sensitive diazo composition as claimed in claim 4 wherein R4 is methyl.
Claim 5
Dependent Claim
28 words
A light-sensitive diazo composition as claimed in claim 3 wherein at least one of the coupling components for the diazonium compound is a compound having the general formula:
Claim 6
Dependent Claim
34 words
A Light-sensitive diazo composition as claimed in claim 3 wherein the coupling component for the diazonium compound is a mixture of A) a compound having the general formula selected from the class consisting of:
Claim 7
Dependent Claim
36 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2.5-diisopropoxybenzenediazonium hexafluorophosphate; the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyldiphenyl sulfide, 2,2'',4,4''-tetrahydroxy-5,5''-dichlorodiphenyl sulfide, and 2-hydroxy-3-naphthoic acid-(3''-acetyl)anilide; and the background discoloration inhibitor is 1, 2,3-triphenylimidazolidine.
Claim 8
Dependent Claim
37 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2, 5-diisopropoxybenezenediazonium hexafluorophosphate; the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyldiphenyl sulfide, 2,2'',4,4''-tetrohydroxy-5,5''-dichlorodiphenyl sulfide, and 2-hydroxy-3-naphthoic acid-(3''-acetyl)anilide; and the background discoloration inhibitor is N,N''-diphenylethylene diamine.
Claim 9
Dependent Claim
37 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2, 5-diisopropoxybenzenediazonium hexafluorophosphate; the coupling compounds are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyldiphenyl sulfide, 2,2'',4,4''-tetrahydroxy-5,5''-dichlorodiphenyl sulfide, and 2-hydroxy-3-naphthoic acid-(3''-acetyl)anilide, and the background discoloration inhibitor is N,N''-di(p-tolyl)ethylene diamine.
Claim 10
Dependent Claim
37 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2, 5-diisopropoxybenzenediazonium hexafluorophosphate; the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyldiphenyl sulfide, 2,2'',4,4''-tetrahydroxy-5,5''-dichlorodiphenyl sulfide, and 2-hydroxy-3-naphthoic acid-(3''-acetyl)anilide; and the background discoloration inhibitor is N,N''-di(m-tolyl)ethylene diamine.
Claim 11
Dependent Claim
36 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2, 5-diisopropoxybenezenediazonium hexafluorophosphate; the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyldiphenyl sulfide, 2,2'',4,4''-tetrahydroxy-5,5''-dichlorodiphenyl sulfide, and 2-hydroxy-3-naphthoic acid-(3''-acetyl)anilide; and the background discoloration inhibitor is 1,3-di(p-tolyl)-2-phEnylimidazolidine.
Claim 12
Dependent Claim
37 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4morpholino-2, 5-diisopropoxybenzendiazonium hexafluorophosphate; the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyldiphenyl sulfide, 2,2-tetrahydroxy-5,5'' -dichlorodiphenyl sulfide, and 2-hydroxy-3-naphthoic acid-(3''-acetyl)anilide; and the background discoloration inhibitor is 1,3-di(m-tolyl)-2-phenylimidizolidine.
Claim 13
Dependent Claim
42 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2, 5-diisopropoxybenzenediazonium hexafluorophosphate; the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyldiphenyl sulfide; 2,2'',4,4''-tetrahydroxy-5,5''-dichlorodiphenyl sulfide, 2-hydroxy-3-naphthoic acid (3''-sulfonamide) anilide; and 2-hydroxy 3-naphthoic acid (3''(N-methyl)sulfonamido)anilide; and the background discoloration inhibitor is 1,2,3-triphenylimidazolidine.
Claim 14
Dependent Claim
35 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compounds is 4-morpholino-2,5-diisopropoxybenzenediazonium hexafluorophosphate, the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyldiphenyl sulfide and 2-hydroxy-3-naphthoic acid (3''-acetyl)anilide, and the background discoloration inhibitor is 1, 2,3-triphenylimidazolidine.
Claim 15
Dependent Claim
35 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2, 5-diisopropoxybenezenediazonium hexafluorophosphate, the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyl sulfoxide and 2-hydroxy-3-naphthoic acid (3''-acetyl)anilide, and the background discoloration inhibitor is 1,2,3-triphenylimidazolidine.
Claim 16
Dependent Claim
37 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2, 5-diisopropoxybenzene diazonium hexafluorophosphate, the coupling components are 2,2'',4,''-tetrahydroxy-3,3''-dimethyl-5,5''-dichlorodiphenyl sulfide and 2-hydroxy-3naphthoic acid (3''-acetyl)anilde and the background discoloration inhibitor is 1,2, 3-triphenylimidazoliclne.
Claim 17
Dependent Claim
36 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2, 5-disopropoxybenaenediazonium hexafluorophosphate, the coupling components are diresorcyl sulfide and 2-hydroxy-3 naphthoic acid (3''-acetyl)anilide, and the background discoloration inhibitor is 1,2,3-triphenylimidazolidine.
Claim 18
Dependent Claim
35 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light sensitive diazonium compound is 4-morpholineo-2,5-diisopropoxybenzenediazonium hexafluorophosphate, the coupling components are diresorcyl sulfoxide and 2-hydroxy-3-naphthoic acid (3''-acetyl)anilide, and the background discoloration inhibitor is 1,2,3-triphenylimidazolidine.
Claim 19
Dependent Claim
35 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholino-2, 5-diisopropoxybenzenediazpmoi, hexafluorophosphate, the coupling components are diresorcinol and 2-hydroxy-3-naphthoic acid(3''-acetyl) anilide, and the background discoloration inhibitor is 1, 2,3-triphenylimidazolidine.
Claim 20
Dependent Claim
35 words
A light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholineo-2,5dicyclopentyloxybenzene diazonium hexafluorophosphate, the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-dimethyl-5, 5''-dichlorodiphenyl sulFide and 2-hydroxy-3-naphthoic acid(3''-acetyl)lide, and the background discoloration inhibitor is 1,2,3-triphenylimidazolidine.
Claim 21
Dependent Claim
35 words
-tetrahydroxy-light-sensitive diazo composition as claimed in claim 7, wherein the light-sensitive diazonium compound is 4-morpholineo-2,5-di(secondary-butoxy)benzene diazonium hexafluorophosphate, the coupling components are 2,2'',4,4''-tetrahydroxy-3,3''-diemthyl 5,5''-dichlorodiphenyl sulfide and 2-hydroxy-3-naphthoic acid (3''-acetyl)anilide, and the background discoloration inhibitor is 1,2,3-triphenylimidazolidine.
Claim 22
Dependent Claim
25 words
A diaztotype material comprising a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 1.
Claim 23
Dependent Claim
42 words
A diazotype material as claimed in claim 23, wherein the support is selected from the class consisting of paper, cloth, transparentized paper, a cellulose ether film a cellulose ester film and a polyester film having a subcoat thereon of cellulose acetate butyrate.
Claim 24
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 8.
Claim 25
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 9.
Claim 26
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 10.
Claim 27
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 11.
Claim 28
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 12.
Claim 29
Dependent Claim
29 words
A diazotype material comprising a cellulose diacetate film as a support and diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 13.
Claim 30
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a daizo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 14.
Claim 31
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 15.
Claim 32
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 16.
Claim 33
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 17.
Claim 34
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 18.
Claim 35
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 19.
Claim 36
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 20.
Claim 37
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said layer comprising the light-sensitive diazo composition claimed in claim 21.
Claim 38
Dependent Claim
30 words
A diazotype material comprising a cellulose diacetate film as a support and a diazo layer coated on said support, said lAyer comprising the light-sensitive diazo composition claimed in claim 21.
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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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |