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US4737445A Expired / Lapsed US ⏱️ 0.0 years remaining

Photopolymerizable composition and photopolymerizable recording material containing said composition

Assignee: Morton International LLC
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Filing: 1986-10-21
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Granted: 1988-04-12
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Expires: 2006-10-21
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Abstract

Abstract In photopolymerizable composition that contains, as the essential constituents, (a) a polymeric binder, (b) a polymerizable compound, and, (c) as the photoinitiator, a 2,3-dihydro-1H-cyclopenta(b)quinoline represented the formula ##STR1## in which R 1 is a substituted or unsubstituted m-valent, carbocyclic aromatic or heterocyclic aromatic radical, R 2 is a hydrogen atom, an alkyl group, an aryl group, an aralkyl group or an aralkenyl group, R 3 and R 4 are identical or different, and each denotes a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, n is 0 or 1, and m is 1 or 2, the photoinitiator possesses an excellent initiating action, resulting in high image resolution.

Inventors

  • 👤 Hans-Dieter Frommeld
  • 👤 Heike Ziemke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:08
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08F; C08F291/00; C08F291/18; G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/12; Y10S430/121

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 121 words
A photopolymerizable composition that contains (a) a polymeric binder; (b) a polymerizable compound having at least one terminal, ethylenically unsaturated double bond and a boiling point above 100° C. at standard pressure, and (c) a tricyclic N-heterocyclic photoinitiator compound, wherein said N-heterocyclic compound is a 2,3-dihydro-1H-cyclopenta (b) quinoline represented by the formula: ##STR4## in which R 1 is a substituted or unsubstituted m-valent, carbocyclic aromatic or heterocyclic aromatic radical, R 2 is, an alkyl group, an aryl group, an aralkyl group or an aralkenyl group, R 3 and R 4 are identical or different, and each denotes a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, n is 0 or 1, and m is 1 or 2.
Claim 2
Dependent Claim 121 words
A photopolymerizable composition that contains (a) a polymeric binder; (b) a polymerizable compound having at least one terminal, ethylenically unsaturated double bond and a boiling point above 100° C. at standard pressure, and (c) a tricyclic N-heterocyclic photoinitiator compound, wherein said N-heterocyclic compound is a 2,3-dihydro-1H-cyclopenta (b) quinoline represented by the formula: ##STR4## in which R 1 is a substituted or unsubstituted m-valent, carbocyclic aromatic or heterocyclic aromatic radical, R 2 is, an alkyl group, an aryl group, an aralkyl group or an aralkenyl group, R 3 and R 4 are identical or different, and each denotes a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, n is 0 or 1, and m is 1 or 2.
Claim 3
Dependent Claim 18 words
A photopolymerizable composition as claimed in claim 1, wherein R 1 is a substituted or unsubstituted phenyl group.
Claim 4
Dependent Claim 34 words
A photopolymerizable composition as claimed in claim 1, wherein R 2 is a methyl, a propyl, an isobutyl, a n-hexyl, a phenyl, a tolyl, an anisyl, a chlorophenyl, a styryl or a benzyl group.
Claim 5
Dependent Claim 18 words
A photopolymerizable composition as claimed in claim 1, wherein R 3 is a hydrogen, chlorine or bromine atom.
Claim 6
Dependent Claim 35 words
A photopolymerizable composition as claimed in claim 1, wherein said N-heterocyclic compound is present in an amount ranging between about 0.01 and 10 weight percent, based on the amount of non-volatile constituents of said composition.
Claim 7
Dependent Claim 24 words
A photopolymerizable composition as claimed in claim 1, wherein said polymerizable compound is an acrylic or methacrylic acid ester of a polyhydric aliphatic alcohol.
Claim 8
Dependent Claim 22 words
A photopolymerizable composition as claimed in claim 1, wherein said polymeric binder comprises a water-insoluble binder which is soluble in aqueousalkaline solutions.
Claim 9
Dependent Claim 132 words
A photopolymerizable recording material comprised of a layer support and a photopolymerizable layer applied thereto, which layer comprises: (a) a polymeric binder; (b) a polymerizable compound having at least one terminal, ethylenically unsaturated double bond and a boiling point above 100° C. at standard pressure, and (c) a tricyclic N-heterocyclic photoinitiator compound, wherein said N-heterocyclic compound is a 2,3-dihydro-1H-cyclopenta(b)quinoline represented by the formula ##STR5## in which R 1 is a substituted or unsubstituted m-valent, carbocyclic aromatic or heterocyclic aromatic radical, R 2 is an alkyl group, an aryl group, an aralkyl group or an aralkenyl group, R 3 and R 4 are identical or different, and each denotes a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, n is 0 or 1, and m is 1 or 2.
Claim 10
Dependent Claim 132 words
A photopolymerizable recording material comprised of a layer support and a photopolymerizable layer applied thereto, which layer comprises: (a) a polymeric binder; (b) a polymerizable compound having at least one terminal, ethylenically unsaturated double bond and a boiling point above 100° C. at standard pressure, and (c) a tricyclic N-heterocyclic photoinitiator compound, wherein said N-heterocyclic compound is a 2,3-dihydro-1H-cyclopenta(b)quinoline represented by the formula ##STR5## in which R 1 is a substituted or unsubstituted m-valent, carbocyclic aromatic or heterocyclic aromatic radical, R 2 is an alkyl group, an aryl group, an aralkyl group or an aralkenyl group, R 3 and R 4 are identical or different, and each denotes a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, n is 0 or 1, and m is 1 or 2.
Claim 11
Dependent Claim 35 words
A photopolymerizable recording material as claimed in claim 8, wherein R 2 is a methyl, a propyl, an isobutyl, a n-hexyl, a phenyl, a tolyl, an anisyl, a chlorophenyl, a styryl or a benzyl group.
Claim 12
Dependent Claim 19 words
A photopolymerizable recording material as claimed in claim 9, wherein R 2 is a methyl, phenyl or styryl group.
Claim 13
Dependent Claim 18 words
A photopolymerizable composition as claimed in claim 3, wherein R 2 is a methyl, phenyl or styryl group.

References Cited (Backward Citations)

GB1345541A Cited
US3765898A Cited
US4272609A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-04-12 1991-10-12 1992-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-04-12 1995-10-12 1996-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-04-12 1999-10-12 2000-04-12 $7700.00 Window Closed / Lapsed

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