US4148658A — Photopolymerizable composition comprising multi-p…

Claim 1

Independent Claim 363 words

A photopolymeric composition comprising, as essential components, (A) at least one compound having one or more addition polymerizable ethylenically unsaturated double bonds and (B) a photopolymerization initiator composition comprising (i) a combination of at least one compound (a) and at least one compound (b), (ii) a combination of at least one compound (a) and at least one compound (c) or (iii) a combination of at least one compound (a), at least one compound (b) and at least one compound (c); wherein compound (a) is a benzoylmethylenebenzothiazolylidenethiazolidone compound selected from the group consisting of 2-benzoylmethylene-5-benzothiazolylidene-thiazolidin-4-one and the substituted derivatives thereof represented by the following general formula (I): ##STR29## wherein R 1 and R 2 , which may be the same or different, each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group or an aralkyl group and X represents a substituent exhibiting a Hammett's sigma (σ) constant ranging from about -0.9 to about +0.5; compound (b) is a tertiary or polyamine compound selected from the group consisting of tertiary amines represented by the following general formula (II): ##STR30## wherein R 3 , R 4 and R 5 , which may be the same or different, each represents an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group or an aralkyl group; and polyamines; and compound (c) is a disubstituted aminoarylcarbonyl compound selected from the group consisting of p-(disubstituted amino)benzophenones, p-(disubstituted amino)acetophenones, p-(disubstituted amino)propiophenones, bis [p-(disubstituted amino)phenyl]ketones, p-(disubstituted amino)phenyl styryl ketones, 4-(disubstituted amino)benzoins, p-(disubstituted amino) benzaldehydes, p-(disubstituted amino)benzoic esters, 4-(disubstituted amino)-1-naphthaldehydes, p-(disubstituted amino)styryl phenyl ketones and p-(disubstituted amino)styryl styryl ketones, wherein the substituents, which may be the same or different, of the above-described disubstituted amino groups are an alkyl group, an aryl group, an alkylaryl group or an aralkyl group and wherein, in addition to the disubstituted amino group, the carbon atoms of the aryl ring having the disubstituted amino group thereon or the carbon atoms of another aryl ring where another aryl ring is present of the disubstituted aminoarylcarbonyl compounds may be substituted with one or more substituents exhibiting a Hammett's sigma (σ) constant ranging from about -0.9 to about +0.7.

Claim 2

Dependent Claim 363 words

A photopolymeric composition comprising, as essential components, (A) at least one compound having one or more addition polymerizable ethylenically unsaturated double bonds and (B) a photopolymerization initiator composition comprising (i) a combination of at least one compound (a) and at least one compound (b), (ii) a combination of at least one compound (a) and at least one compound (c) or (iii) a combination of at least one compound (a), at least one compound (b) and at least one compound (c); wherein compound (a) is a benzoylmethylenebenzothiazolylidenethiazolidone compound selected from the group consisting of 2-benzoylmethylene-5-benzothiazolylidene-thiazolidin-4-one and the substituted derivatives thereof represented by the following general formula (I): ##STR29## wherein R 1 and R 2 , which may be the same or different, each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group or an aralkyl group and X represents a substituent exhibiting a Hammett's sigma (σ) constant ranging from about -0.9 to about +0.5; compound (b) is a tertiary or polyamine compound selected from the group consisting of tertiary amines represented by the following general formula (II): ##STR30## wherein R 3 , R 4 and R 5 , which may be the same or different, each represents an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group or an aralkyl group; and polyamines; and compound (c) is a disubstituted aminoarylcarbonyl compound selected from the group consisting of p-(disubstituted amino)benzophenones, p-(disubstituted amino)acetophenones, p-(disubstituted amino)propiophenones, bis [p-(disubstituted amino)phenyl]ketones, p-(disubstituted amino)phenyl styryl ketones, 4-(disubstituted amino)benzoins, p-(disubstituted amino) benzaldehydes, p-(disubstituted amino)benzoic esters, 4-(disubstituted amino)-1-naphthaldehydes, p-(disubstituted amino)styryl phenyl ketones and p-(disubstituted amino)styryl styryl ketones, wherein the substituents, which may be the same or different, of the above-described disubstituted amino groups are an alkyl group, an aryl group, an alkylaryl group or an aralkyl group and wherein, in addition to the disubstituted amino group, the carbon atoms of the aryl ring having the disubstituted amino group thereon or the carbon atoms of another aryl ring where another aryl ring is present of the disubstituted aminoarylcarbonyl compounds may be substituted with one or more substituents exhibiting a Hammett's sigma (σ) constant ranging from about -0.9 to about +0.7.

Claim 3

Dependent Claim 55 words

The photopolymerizable composition of claim 1, wherein said addition polymerizable ethylenically unsaturated double bond-containing compound is an ester of an ethylenically unsaturated double bond-containing organic acid with an aliphatic polyhydric alcohol, an oligoester (meth)acrylate prepared by the esterification of acrylic acid and/or methacrylic acid, one or more polybasic acids and one or more polyhydric alcohols.

Claim 4

Dependent Claim 107 words

The photopolymerizable composition of claim 1, wherein said addition polymerizable ethylenically unsaturated double bond-containing compound is trimethylolpropane triacrylate, trimethylolethane triacrylate, trimethylolpropane trimethacrylate, trimethylolethane trimethacrylate, tetramethylene glycol dimethacrylate, triethylene glycol dimethacrylate, tetraethylene glycol diacrylate, pentaerythritol diacrylate, pentaerythritol triacrylate, pentaerythritol tetraacrylate, dipentaerythritol diacrylate, dipentaerythritol triacrylate, dipentaerythritol tetraacrylate, dipentaerythritol pentaacrylate, dipentaerythritol hexaacrylate, tripentaerythritol octaacrylate, pentaerythritol dimethacrylate, pentaerythritol trimethacrylate, dipentaerythritol dimethacrylate, dipentaerythritol tetramethacrylate, tripentaerythritol octamethacrylate, pentaerythritol diitaconate, dipentaerythritol trisitaconate, dipentaerythritol pentaitaconate, dipentaerythritol hexaitaconate, ethylene glycol dimethacrylate, 1,3-butanediol diacrylate, 1,3-butanediol dimethacrylate, 1,4-butanediol diitaconate, sorbitol triacrylate, sorbitol tetraacrylate, sorbitol tetramethacrylate, sorbitol pentaacrylate, sorbitol hexaacrylate, 1,4-butylene modified diacrylate, trimethylolpropane modified triacrylate, pentaerythritol modified triacrylate, an oligoester acrylate, an oligoester methacrylate, or a mixture thereof.

Claim 5

Dependent Claim 160 words

The photopolymerizable composition of claim 1, wherein said substituent X in the general formula (I) is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a phenyl group, a trifluoromethyl group, an acetyl group, an ethoxycarbonyl group, a carboxyl group, a carboxylato group, an amino group, a methylamino group, a dimethylamino group, an ethylamino group, a diethylamino group, an acetylamino group, a --PO 3 H group, a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group, a butoxy group, a pentyloxy group, a phenoxy group, a hydroxy group, an acetoxy group, a methylthio group, an ethylthio group, an isopropylthio group, a mercapto group, an acetylthio group, a thiocyano group, a methylsulfinyl group, an ethylsulfinyl group, a methylsulfonyl group, an ethylsulfonyl group, an aminosulfonyl group, a dimethylsulfonio group, a sulfonato group, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, an iodyl group, a trimethylsilyl group, a triethylsilyl group or a trimethylstannyl group.

Claim 6

Dependent Claim 225 words

The photopolymerizable composition of claim 1, wherein for R 1 , R 2 , R 3 , R 4 and R 5 , said alkyl group is a straight chain, branched or cyclic group having 1 to 18 carbon atoms; said substituted alkyl group is a substituted alkyl group containing a straight chain, branched chain or cyclic alkyl moiety having 1 to 18 carbon atoms substituted with one or more of a halogen atom or a hydroxy group; said aryl group is a residue of a benzene ring, a residue of two or more condensed benzene rings, a residue of two combined benzene rings or a residue of a condensed ring formed from a benzene ring and a 5-membered unsaturated ring; said substituted aryl group is an aryl group comprising the residues described above for said aryl group and substituted with one or more of a halogen atom, a nitro group, an amino group, a substituted amino group, a cyano group, an alkyl group, a haloalkyl group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an acyloxy group, or an alkoxysulfonyl group; and said aralkyl group is an aralkyl group containing an alkyl moiety which may be the residue of a straight chain, branched chain or cyclic alkyl group having 1 to 10 carbon atoms substituted with a phenyl group or a naphthyl group.

Claim 7

Dependent Claim 19 words

The photopolymerizable composition of claim 1, wherein said benzoylmethylenebenzothiazolylidenethiazolidone is 2-benzoylmethylene-3-methyl-5-(3'-methylbenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3'-methyl-benzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-methyl-5-(3'-methyl-5'-methoxybenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3'-methyl-5'-methoxy-benzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3'-methyl-5'-chlorobenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3',5'-dimethylbenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3'-ethyl-5'methoxybenzothiazolylidene)thiazolidin-4-one, or 2-benzoylmethylene-3-methyl-5-(3'-ethyl-5'-chlorobenzothiazolylidene)thiazolidin-4-one.

Claim 8

Dependent Claim 71 words

The photopolymerizable composition of claim 1, wherein said tertiary amine represented by the general formula (II) or polyamine as compound (b) is trimethylamine, triethylamine, tripropylamine, tributylamine, tripentylamine, tri(decyl)amine, methyldiethylamine, ethyldibutylamine, dimethyldecylamine, dimethylcyclohexylamine, diethylcyclohexylamine, N,N-dimethylaniline, N,N-diethylaniline, N,N-dimethylbenzylamine, N,N-diethylbenzylamine, N-benzyl-N-methylaniline, N-benzyl-N-ethylaniline, N-benzyl-N-propyl-aniline, N-phenethyl-N-methylaniline, N-phenethyl-N-ethylaniline, N-N-diphenylaniline, N,N-dibenzylaniline, triphenylamine, tribenzylamine, nitrilotrimethanol, 2,2',2"-nitrilotriethanol, 1,1',1"-nitrilotripropanol, 2,2',2"-nitrilotripropanol, N,N-diethanolaniline, p-methyl-N,N-dimethylaniline, p-nitro-N,N-dimethylaniline, bis[(p-dimethylamino)phenyl]methane, bis[(p-dibenzylamino)phenyl]methane, methylenediamine, ethylenediamine, trimethylenediamine, tetramethylenediamine, pentamethylenediamine, hexamethylenediamine, decamethylenediamine, propylenediamine, butylenediamine, 1,4-cyclohexanediamine, phenylenediamine, (2-aminomethylbutyl)amine, diethylenetriamine, triethylenetetramine or hexamethylenetetramine.

Claim 9

Dependent Claim 167 words

The photopolymerizable composition of claim 1, wherein said p-(disubstituted amino)benzophenone is p-(dimethylamino)benzophenone or p-(diethylamino)-benzophenone; said p-(disubstituted amino)acetophenone is p-(dimethylamino)acetophenone or p-(diethylamino)acetophenone; said p-(disubstituted amino)propiophenone is p-(dimethylamino)propiophenone or p-(diethylamino)propiophenone; said bis[p-(disubstituted amino)phenyl]ketone is bis[p-(dimethylamino)phenyl]ketone or bis[p-(diethylamino)phenyl]ketone; said p-(disubstituted amino)phenyl styryl ketone is p-(dimethylamino)phenyl styryl ketone, p-(dimethylamino)phenyl p-methylstyryl ketone, p-(dimethylamino)phenyl m-chlorostyryl ketone, p-(dimethylamino)phenyl p-methoxystyryl ketone, p-(dimethylamino)phenyl p-(dimethylamino)styryl ketone, p-(diethylamino)phenyl styryl ketone, p-(diethylamino)phenyl m-methylstyryl ketone, p-(diethylamino)phenyl p-bromostyryl ketone or p-(diethylamino)-phenyl p-methoxystyryl ketone; said 4-(disubstituted amino)benzoin is 4-(dimethylamino)benzoin or 4-(diethylamino)benzoin; said p-(disubstituted amino)benzaldehyde is p-(dimethylamino)benzaldehyde, p-dimethylamino-m-chlorobenzaldehyde, p-dimethylamino-m-methylbenzaldehyde, p-(diethylamino)benzaldehyde, p-diethylamino-m-bromobenzaldehyde or p-diethylamino-m-methoxybenzaldehyde; said p-(disubstituted amino)benzoic ester is methyl p-(dimethylamino)benzoate, ethyl p-(dimethylamino)benzoate, benzyl p-(dimethylamino)benzoate, methyl p-(diethylamino)benzoate or ethyl p-(diethylamino)benzoate; said 4-(disubstituted amino)-1-naphthaldehyde is 4-dimethylamino-1-naphthaldehyde or 4-diethylamino-1-naphthaldehyde; said p-(disubstituted amino)styryl phenyl ketone is p-(dimethylamino)styryl phenyl ketone, p-(dimethylamino)styryl p-tolyl ketone, p-dimethylamino)styryl m-chlorophenyl ketone, p-(dimethylamino)styryl p-methoxyphenyl ketone, p-(diethylamino)styryl phenyl ketone, p-(diethylamino)styryl p-bromophenyl ketone or p-(diethylamino)styryl p-methoxyphenyl ketone; and said p-(disubstituted amino)styryl styryl ketone is p-(dimethylamino)styryl styryl ketone, p-(dimethylamino)styryl p-methylstyryl ketone, p-(dimethylamino)styryl m-chlorostyryl ketone, p-(dimethylamino)styryl p-methoxystyryl ketone, p-(diethylamino)styryl styryl ketone, p-(diethylamino)styryl p-bromostyryl ketone or p-(diethylamino)styryl m-methylstyryl ketone.

Claim 10

Dependent Claim 45 words

The photopolymerizable composition of claim 1, wherein in said photopolymerization initiator, the weight ratio of compound (a) to (b) and/or (c) ranges from about 1:9 to about 9:1, and the weight ratio of compound (b) to compound (c) ranges from about 1:100 to about 100:1.

Claim 11

Dependent Claim 23 words

The photopolymerizable composition of claim 1, wherein the weight ratio of component (A) to component (B) ranges from about 100:1 to about 100:20.

Claim 12

Dependent Claim 36 words

The photopolymerizable composition as claimed in claim 1, which further contains (C) a high molecular material which is compatible with the ethylenically unsaturated compound (A) and the photopolymerization initiator composition (B) and has a film-forming ability.

Claim 13

Dependent Claim 29 words

The photopolymerizable composition of claim 11, wherein said high molecular weight material (C) is a high molecular weight material having a molecular weight of about 5,000 to about 2,000,000.

Claim 14

Dependent Claim 23 words

The photopolymerizable composition of claim 11, wherein the weight ratio of component (C) to component (A) ranges from about 2:1 to about 0.02:1.

Claim 15

Dependent Claim 56 words

The photopolymerizable composition of claim 11, wherein said addition polymerizable ethylenically unsaturated double bond-containing compound is an ester of an ethylenically unsaturated double bond-containing organic acid with an aliphatic polyhydric alcohol or an oligoester (meth)acrylate prepared by the esterification of acrylic acid and/or methacrylic acid, one or more polybasic acids and one or more polyhydric alcohols.

Claim 16

Dependent Claim 107 words

The photopolymerizable composition of claim 11, wherein said addition polymerizable ethylenically unsaturated double bond-containing compound is trimethylolpropane triacrylate, trimethylolethane triacrylate, trimethylolpropane trimethacrylate, trimethylolethane trimethacrylate, tetramethylene glycol dimethacrylate, triethylene glycol dimethacrylate, tetraethylene glycol diacrylate, pentaerythritol diacrylate, pentaerythritol triacrylate, pentaerythritol tetraacrylate, dipentaerythritol diacrylate, dipentaerythritol triacrylate, dipentaerythritol tetraacrylate, dipentaerythritol pentaacrylate, dipentaerythritol hexaacrylate, tripentaerythritol octaacrylate, pentaerythritol dimethacrylate, pentaerythritol trimethacrylate, dipentaerythritol dimethacrylate, dipentaerythritol tetramethacrylate, tripentaerythritol octamethacrylate, pentaerythritol diitaconate, dipentaerythritol trisitaconate, dipentaerythritol pentaitaconate, dipentaerythritol hexaitaconate, ethylene glycol dimethacrylate, 1,3-butanediol diacrylate, 1,3-butanediol dimethacrylate, 1,4-butanediol diitaconate, sorbitol triacrylate, sorbitol tetraacrylate, sorbitol tetramethacrylate, sorbitol pentaacrylate, sorbitol hexaacrylate, 1,4-butylene modified diacrylate, trimethylolpropane modified triacrylate, pentaerythritol modified triacrylate, an oligoester acrylate, an oligoester methacrylate, or a mixture thereof.

Claim 17

Dependent Claim 160 words

The photopolymerizable composition of claim 11, wherein said substituent X in the general formula (I) is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a phenyl group, a trifluoromethyl group, an acetyl group, an ethoxycarbonyl group, a carboxyl group, a carboxylato group, an amino group, a methylamino group, a dimethylamino group, an ethylamino group, a diethylamino group, an acetylamino group, a --PO 3 H group, a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group, a butoxy group, a pentyloxy group, a phenoxy group, a hydroxy group, an acetoxy group, a methylthio group, an ethylthio group, an isopropylthio group, a mercapto group, an acetylthio group, a thiocyano group, a methylsulfinyl group, an ethylsulfinyl group, a methylsulfonyl group, an ethylsulfonyl group, an aminosulfonyl group, a dimethylsulfonio group, a sulfonato group, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, an iodyl group, a trimethylsilyl group, a triethylsilyl group or a trimethylstannyl group.

Claim 18

Dependent Claim 225 words

The photopolymerizable composition of claim 11, wherein for R 1 , R 2 , R 3 , R 4 and R 5 , said alkyl group is a straight chain, branched or cyclic group having 1 to 18 carbon atoms; said substituted alkyl group is a substituted alkyl group containing a straight chain, branched chain or cyclic alkyl moiety having 1 to 18 carbon atoms substituted with one or more of a halogen atom or a hydroxy group; said aryl group is a residue of a benzene ring, a residue of two or more condensed benzene rings, a residue of two combined benzene rings or a residue of a condensed ring formed from a benzene ring and a 5-membered unsaturated ring; said substituted aryl group is an aryl group comprising the residues described above for said aryl group and substituted with one or more of a halogen atom, a nitro group, an amino group, a substituted amino group, a cyano group, an alkyl group, a haloalkyl group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an acyloxy group, or an alkoxysulfonyl group; and said aralkyl group is an aralkyl group containing an alkyl moiety which may be the residue of a straight chain, branched chain or cyclic alkyl group having 1 to 10 carbon atoms substituted with a phenyl group or a naphthyl group.

Claim 19

Dependent Claim 19 words

The photopolymerizable composition of claim 11, wherein said benzoylmethylenebenzothiazolylidenethiazolidone is 2-benzoylmethylene-3-methyl-5(3'-methylbenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3'-methylbenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-methyl-5-(3'-methyl-5'-methoxybenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3'-methyl-5'-methoxybenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3'-methyl-5'-chlorobenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3',5'-dimethylbenzothiazolylidene)thiazolidin-4-one, 2-benzoylmethylene-3-ethyl-5-(3'-ethyl-5'-methoxybenzothiazolylidene)thiazolidin4-one, or 2-benzoylmethylene-3-methyl-5-(3'-ethyl-5'-chlorobenzothiazolylidene)thiazolidin-4-one.

Claim 20

Dependent Claim 71 words

The photopolymerizable composition of claim 11, wherein said tertiary amine represented by the general formula (II) or polyamine as compound (b) is trimethylamine, triethylamine, tripropylamine, tributylamine, tripentylamine, tri(decyl)amine, methyldiethylamine, ethyldibutylamine, dimethyldecylamine, dimethylcyclohexylamine, diethylcyclohexylamine, N,N-dimethylaniline, N,N-diethylaniline, N,N-dimethylbenzylamine, N,N-diethylbenzylamine, N-benzyl-N-methylaniline, N-benzyl-N-ethylaniline, N-benzyl-N-propylaniline, N-phenethyl-N-methylaniline, N-phenethyl-N-ethylaniline, N,N-diphenylaniline, N,N-dibenzylaniline, triphenylamine, tribenzylamine, nitrilotrimethanol, 2,2',2"-nitrilotriethanol, 1,1',1"-nitrilotripropanol, 2,2',2"-nitrilotripropanol, N,N-diethanolaniline, p-methyl-N,N-dimethylaniline, p-nitro-N,N-dimethylaniline, bis[(p-dimethylamino)phenyl]methane, bis[(p-dibenzylamino)phenyl]methane, methylenediamine, ethylenediamine, trimethylenediamine, tetramethylenediamine, pentamethylenediamine, hexamethylenediamine, dicamethylenediamine, propylenediamine, butylenediamine, 1,4-cyclohexanediamine, phenylenediamine, (2-aminomethylbutyl)amine, diethyleneytriamine, triethylenetetramine or hexamethylenetetramine.

Claim 21

Dependent Claim 167 words

The photopolymerizable composition of claim 11, wherein said p-(disubstituted amino)benzophenone is p-(dimethylamino)benzophenone or p-(diethylamino)benzophenone; said p-(disubstituted amino)acetophenone is p-(dimethylamino)acetophenone or p-(diethylamino)acetophenone; said p-(disubstituted amino)propiophenone is p-(dimethylamino)propiophenone or p-(diethylamino)propiophenone; said bis[p-(disubstituted amino)phenyl]ketone is bis[-p-(dimethylamino)phenyl]ketone or bis[p-(diethylamino)phenyl]ketone; said p- (disubstituted amino)phenyl styryl ketone is p-(dimethylamino)phenyl styryl ketone, p-(dimethylamino)phenyl p-methylstyryl ketone, p-(dimethylamino)phenyl m-chlorostyryl ketone, p-(dimethylamino)phenyl p-methoxystyryl ketone, p-(dimethyl-amino)phenyl p-(dimethylamino)styryl ketone, p-(diethylamino)phenyl styryl ketone, p-(diethylamino)phenyl m-methylstyryl ketone, p-(diethylamino)phenyl p-bromostyryl ketone or p-(diethylamino)phenyl p-methoxystyryl ketone; said 4-(disubstituted amino)benzoin is 4-(dimethylamino)benzoin or 4-(diethylamino)benzoin; said p-(disubstituted amino)benzaldehyde is p-(dimethylamino)benzaldehyde, p-dimethylamino-m-chlorobenzaldehyde, p-dimethylamino-m-methylbenzaldehyde, p-(diethylamino)benzaldehyde, p-diethylamino-m-bromobenzaldehyde or p-diethylamino-m-methoxybenzaldehyde; said p-(disubstituted amino)benzoic ester is methyl p-(dimethylamino)benzoate, ethyl p-(dimethylamino)benzoate, benzyl p-(dimethylamino)benzoate, methyl p-(diethylamino)benzoate or ethyl p-(diethylamino)benzoate; said 4-(disubstituted amino)-1-naphthaldehyde is 4-dimethylamino-1-naphthaldehyde or 4-diethylamino-1naphthaldehyde; said p-(disubstituted amino)styryl phenyl ketone is p-(dimethylamino)styryl phenyl ketone, p-(dimethylamino)styryl p-tolyl ketone, p-(dimethylamino)styryl m-chlorophenyl ketone, p-(dimethylamino)styryl p-methoxyphenyl ketone, p-(diethylamino)styryl phenyl ketone, p-(diethylamino)styryl p-bromophenyl ketone or p-(diethylamino)styryl p-methoxyphenyl ketone; and said p-(disubstituted amino)styryl styryl ketone is p-(dimethylamino)styryl ketone, p-(dimethylamino)styryl p-methylstyryl ketone, p-(dimethylamino)styryl m-chlorostyryl ketone, p-(dimethylamino)styryl p-methoxystyryl ketone, p-(diethylamino)styryl styryl ketone, p-(diethylamino)styryl p-bromostyryl ketone or p-(diethylamino)styryl m-methylstyryl ketone.

Claim 22

Dependent Claim 44 words

The photopolymerizable composition of claim 11, wherein in said photopolymerization initiator, the weight ratio of compound (a) to (b) and/or (c) ranges from about 1:9 to about 9:1, and the weight ratio ofcompound (b) to compound (c) ranges from about 1:100 to about 100:1.

Claim 23

Dependent Claim 23 words

The photopolymerizable composition of claim 11, wherein the weight ratio of component (A) to component (B) ranges from about 100:1 to about 100:20.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1982-04-09	1982-10-09	1983-04-10	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1986-04-09	1986-10-09	1987-04-10	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1990-04-09	1990-10-09	1991-04-10	$7700.00	Window Closed / Lapsed

Photopolymerizable composition comprising multi-photoinitiator system

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