US4840869A
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Light-sensitive composition
Assignee: GREYVEST CAPITAL Inc
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Filing: 1987-08-10
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Granted: 1989-06-20
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Expires: 2007-08-10
Abstract
Abstract Light sensitive compositions are disclosed which comprise 2-halomethyl-1,3,4,-oxadiazole compounds having a heterocyclic radical in the fifth position containing at least one element selected from the group consisting of oxygen, nitrogen, sulphur, and selenium directly or through a vinyl radical.
Inventors
- 👤 Noriyasu Kita
- 👤 Kiyoshi Goto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:35
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/78; C07D307/79; C07D307/82; C07D307/84; C07D307/85; C07D413/00; C07D413/02; C07D413/04; C07D413/06; G; G03; G03C; G03C1/00; G03C1/675; G03F; G03F7/00; G03F7/004; G03F7/0045; G03F7/09; G03F7/105; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/117; Y10S430/12; Y10S430/121; Y10S430/126
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
111 words
A light-sensitive composition comprising (a) a 2-halomethyl-1,3,4-oxadiazole compound of Formula I ##STR10## wherein, Z is a fluorine atom, a chlorine atom or a bromine atom; Y is a hydrogen atom, a halogen atom, an alkyl group or an aryl group, wherein A is a substituted or unsubstituted benzofuryl-radical, m is an integer of from 1 to 3, and n is an integer of 0 or 1, (b) a coloring agent, and (c) a light sensitive resist forming compound, each of said 2-halomethyl-1,3,4-oxidiazole compound, said coloring agent and said light sensitive resist forming compound being present in an amount effective to provide a photosensitive resist forming composition capable of providing print-out images.
Claim 2
Dependent Claim
111 words
A light-sensitive composition comprising (a) a 2-halomethyl-1,3,4-oxadiazole compound of Formula I ##STR10## wherein, Z is a fluorine atom, a chlorine atom or a bromine atom; Y is a hydrogen atom, a halogen atom, an alkyl group or an aryl group, wherein A is a substituted or unsubstituted benzofuryl-radical, m is an integer of from 1 to 3, and n is an integer of 0 or 1, (b) a coloring agent, and (c) a light sensitive resist forming compound, each of said 2-halomethyl-1,3,4-oxidiazole compound, said coloring agent and said light sensitive resist forming compound being present in an amount effective to provide a photosensitive resist forming composition capable of providing print-out images.
Claim 3
Dependent Claim
25 words
The light-sensitive composition as claimed in claim 1, wherein the alkyl group represented by Y is an alkyl group having one to six carbon atoms.
Claim 4
Dependent Claim
22 words
The light-sensitive composition as claimed in claim 1, wherein the halogen atom represented by Y is a chlorine atom or bromine atom.
Claim 5
Dependent Claim
14 words
The light-sensitive composition as claimed in claim 1, wherein Y is a hydrogen atom.
Claim 6
Dependent Claim
12 words
The light-sensitive composition as claimed in claim 1, wherein m is 3.
Claim 7
Dependent Claim
55 words
The light-sensitive composition according to claim 1, wherein A is a benzofuryl-radical which may be independently substituted by one or more substituents selected from the group consisting of an alkyl group, an alkoxy group, a cyano group, a nitro group, a phenoxy group, a phenyl group, a halogen atom and a --O--CH 2 --O-- group.
Claim 8
Dependent Claim
14 words
The light-sensitive composition according to claim 1, wherein A is an unsubstituted benzofuryl radical.
Claim 9
Dependent Claim
22 words
The light-sensitive composition according to claim 1, wherein said light-sensitive resist-forming compound has an o-benzoquinone diazide radical or an o-naphthoquinone diazide radical.
Claim 10
Dependent Claim
16 words
A light-sensitive composition according to claim 1, wherein said coloring agent is a triphenyl methane dye.
Claim 11
Dependent Claim
22 words
A light-sensitive composition according to claim 6, wherein said light-sensitive resist-forming compound has an o-benzoquinone diazide radical or an o-naphthoquinone diazide radical.
Claim 12
Dependent Claim
22 words
A light-sensitive composition according to claim 7, wherein said light-sensitive resist-forming compound has an o-benzoquinone diazide radical or an o-naphthoquinone diazide radical.
Claim 13
Dependent Claim
137 words
A light sensitive composition comprising: (a) a free radical producing agent, said free radical producing agent being a 2-halomethyl-1,3,4-oxadiazole compound of the following Formula: ##STR11## wherein, Z is a fluorine atom, a chlorine atom or a bromine atom; Y is a hydrogen atom, a halogen atom, an alkyl group or an aryl group, A is a heterocyclic radical containing at least one element selected from the group consisting of oxygen, nitrogen, sulphur and silenium, m is an interger of from 1 to 3, and n is an integer of 0 or 1, (b) a coloring agent, and (c) a light sensitive resist forming compound, each of said 2-halomethyl-1,3,4-oxidiazole compound, said coloring agent and said light sensitive resist forming compound being present in an amount effective to provide a photosensitive resist forming composition capable of providing print-out images.
Claim 14
Dependent Claim
137 words
A light sensitive composition comprising: (a) a free radical producing agent, said free radical producing agent being a 2-halomethyl-1,3,4-oxadiazole compound of the following Formula: ##STR11## wherein, Z is a fluorine atom, a chlorine atom or a bromine atom; Y is a hydrogen atom, a halogen atom, an alkyl group or an aryl group, A is a heterocyclic radical containing at least one element selected from the group consisting of oxygen, nitrogen, sulphur and silenium, m is an interger of from 1 to 3, and n is an integer of 0 or 1, (b) a coloring agent, and (c) a light sensitive resist forming compound, each of said 2-halomethyl-1,3,4-oxidiazole compound, said coloring agent and said light sensitive resist forming compound being present in an amount effective to provide a photosensitive resist forming composition capable of providing print-out images.
Claim 15
Dependent Claim
35 words
The light-sensitive composition as claimed in claim 12, wherein said heterocyclic radical is a substituted or unsubstituted benzofuryl-, dibenzofuryl-, thienyl-, benzothienyl-, dibenzothienyl-, indolyl-, carbazolyl-, selenolyl-, benzoselenolyl-, dibenzoselenolyl-, imidazolyl-, benzoimidazolyl-, thiazolyl-, benzothiazolyl-, pyrrolyl-, or acridyl- radical.
Claim 16
Dependent Claim
25 words
The light-sensitive composition as claimed in claim 13, wherein the alkyl group represented by Y is an alkyl group having one to six carbon atoms.
Claim 17
Dependent Claim
22 words
The light-sensitive composition as claimed in claim 13, wherein the halogen atom represented by Y is a chlorine atom or bromine atom.
Claim 18
Dependent Claim
30 words
A light-sensitive composition according to claim 13, wherein A is a substituted or unsubstituted radical selected from the group consisting of a benzofuryl-, dibenzofuryl-, benzothienyl-, dibenzothienyl, benzoselenolyl-, dibenzoselenolyl- and carbazolyl-.
Claim 19
Dependent Claim
22 words
The light-sensitive composition according to claim 13, wherein said light-sensitive resist-forming compound has an o-benzoquinone diazide radical or an o-naphthoquinone diazide radical.
Claim 20
Dependent Claim
16 words
A light-sensitive composition according to claim 13, wherein said coloring agent is a triphenyl methane dye.
Claim 21
Dependent Claim
19 words
The light-sensitive composition as claimed in claim 13, wherein the heterocyclic radical represented by A is a benzofuryl radical.
Claim 22
Dependent Claim
14 words
The light-sensitive composition as claimed in claim 19 wherein Y is a hydrogen atom.
Claim 23
Dependent Claim
19 words
The light-sensitive composition as claimed in claim 19, wherein the heterocyclic radical represented by A is a 2-benzofuryl radical.
Claim 24
Dependent Claim
14 words
The light-sensitive composition as claimed in claim 13, wherein Y is a hydrogen atom.
Claim 25
Dependent Claim
12 words
The light-sensitive composition as claimed in claim 22, wherein m is 3.
Claim 26
Dependent Claim
17 words
The light-sensitive composition as claimed in claim 12, wherein said coloring agent is a triphenyl methane dye.
Claim 27
Dependent Claim
23 words
The light-sensitive composition as claimed in claim 12, wherein said light-sensitive resist-forming compound has an o-benzoquinone diazide radical or an o-naphthoquinone diazide radical.
Claim 28
Dependent Claim
30 words
The light-sensitive composition as claimed in claim 25, wherein the contents of said o-quinone diazide compound are 10 to 50% by weight to the total solids of the light-sensitive composition.
Claim 29
Dependent Claim
43 words
The light-sensitive composition as claimed in claim 12, wherein said composition contains, to 100 parts by weight of the light-sensitive resist-forming compound, 0.01 to 40 parts by weight of the 2-halomethyl-1,3,4-oxadiazole compound and 1 to 10 parts by weight of the coloring agent.
Claim 30
Dependent Claim
16 words
The light-sensitive composition as claimed in claim 12, wherein the heterocyclic radical is a 2-benzofuryl radical.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1992-06-19 | 1992-12-19 | 1993-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-19 | 1996-12-19 | 1997-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-19 | 2000-12-19 | 2001-06-20 | $7700.00 | Window Closed / Lapsed |