Patent US3483847A successfully refreshed from Google Patents.
Patent US5663264A successfully refreshed from Google Patents.
US5663264A
Expired / Lapsed
US
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Transparent resin and plastic lens
Assignee: Resonac Corp
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Filing: 1994-12-21
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Granted: 1997-09-02
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Expires: 2014-12-21
Abstract
Abstract A transparent resin obtained by polymerizing a monomer having an alkylene oxide group, a polyfunctional (meth)acrylate having a divalent branched hydrocarbon group and other copolymerizable vinyl monomer, if necessary, is suitable as an elementary material for a plastic lens with excellent heat resistance and hue.
Inventors
- 👤 Toshiyasu Kawai
- 👤 Minoru Suzuki
- 👤 Hiromasa Kawai
- 👤 Fumiaki Kanega
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:05
CPC Classifications
G; G02; G02B; G02B1/00; G02B1/04; G02B1/041; C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/20
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
173 words
A transparent resin comprising, as constituent components of the resin molecules, a polymerizable monomer mixture obtained by compounding 1 to 80 parts by weight of an alkylene oxide group-containing monomer represented by the formula (I): R.sup.1 --O--(R.sup.2 O).sub.n --R.sup.3 (I) wherein R 1 is an acryloyl group or a methacryloyl group; R 2 is an alkylene group having 1 to 5 carbon atoms; R 3 is a hydrogen atom, an acryloyl group, a methacryloyl group or a monovalent hydrocarbon group other than mentioned above and having 1 to 40 carbon atoms; and n is an integer of 9 to 50; 1 to 95 parts by weight of a polyfunctional (meth)acrylate represented by the formula (II): ##STR3## wherein R 4 and R 5 are independently an acryloyl group or a methacryloyl group; and R 6 and R 7 are independently a monovalent hydrocarbon group having 1 to 6 carbon atoms; and 0 to 90 parts by weight of other copolymerizable vinyl monomer so as to give a total amount of 100 parts by weight.
Claim 2
Dependent Claim
173 words
A transparent resin comprising, as constituent components of the resin molecules, a polymerizable monomer mixture obtained by compounding 1 to 80 parts by weight of an alkylene oxide group-containing monomer represented by the formula (I): R.sup.1 --O--(R.sup.2 O).sub.n --R.sup.3 (I) wherein R 1 is an acryloyl group or a methacryloyl group; R 2 is an alkylene group having 1 to 5 carbon atoms; R 3 is a hydrogen atom, an acryloyl group, a methacryloyl group or a monovalent hydrocarbon group other than mentioned above and having 1 to 40 carbon atoms; and n is an integer of 9 to 50; 1 to 95 parts by weight of a polyfunctional (meth)acrylate represented by the formula (II): ##STR3## wherein R 4 and R 5 are independently an acryloyl group or a methacryloyl group; and R 6 and R 7 are independently a monovalent hydrocarbon group having 1 to 6 carbon atoms; and 0 to 90 parts by weight of other copolymerizable vinyl monomer so as to give a total amount of 100 parts by weight.
Claim 3
Dependent Claim
84 words
A transparent resin according to claim 1, wherein said polymerizable monomer mixture comprises, as constituent components of the resin molecules, 1 to 30 parts by weight of the alkylene oxide group-containing monomer represented by the formula (I), 1 to 39 parts by eight of the polyfunctional (meth)acrylate represented by the formula (II), 15 to 60 parts by weight of styrene and 0 to 60 parts by weight of other copolymerizable vinyl monomer so as to give a total amount of 100 parts by weight.
Claim 4
Dependent Claim
38 words
A transparent resin according to claim 1, wherein the alkylene oxide group-containing monomer of the formula (I) is at least one polyfunctional monomer or monofunctional monomer having an acryloyl group or a methacryloyl group as R 3 .
Claim 5
Dependent Claim
67 words
A transparent resin according to claim 3, wherein the polyfunctional monomer is at least one member selected from the group consisting of polymethylene glycol diacrylates, polymethylene glycol dimethacrylates, polyethylene glycol diacrylates, polyethylene glycol dimethacrylates, polypropylene glycol diacrylates, polypropylene glycol dimethacrylates, polybutylene glycol diacrylates, polybutylene glycol dimethacrylates, polyethylene glycol polypropylene glycol diacrylates, polyethylene glycol propylene glycol dimethacrylates, polyethylene glycol polybutylene glycol diacrylates, and polyethylene glycol polybutylene glycol dimethacrylates.
Claim 6
Dependent Claim
32 words
A transparent resin according to claim 1, wherein the polyfunctional (meth)acrylate of the formula (II) is 2,2-dimethyl-1,3-propanediol diacrylate, 2,2-dimethyl-1,3-propanediol dimethacrylate, 2-methyl-2-ethyl-1,3-propanediol dimethacrylate, 2-methyl-2-isopropyl-1,3-propanediol dimethacrylate, 2-methyl-2-propyl-1,3-propanediol dimethacrylate, 2,2-diethyl-1,3-propanediol dimethacrylate, or a mixture thereof.
Claim 7
Dependent Claim
25 words
A transparent resin according to claim 1, wherein the alkylene oxide group-containing monomer of the formula (I) is tetradecaethylene glycol diacrylate or tetradecaethylene glycol dimethacrylate.
Claim 8
Dependent Claim
38 words
A transparent resin according to claim 2, wherein the alkylene oxide group-containing monomer of the formula (I) is at least one polyfunctional monomer or monofunctional monomer having an acryloyl group or a methacryloyl group as R 3 .
Claim 9
Dependent Claim
67 words
A transparent resin according to claim 7, wherein the polyfunctional monomer is at least one member selected from the group consisting of polymethylene glycol diacrylates, polymethylene glycol dimethacrylates, polyethylene glycol diacrylates, polyethylene glycol dimethacrylates, polypropylene glycol diacrylates, polypropylene glycol dimethacrylates, polybutylene glycol diacrylates, polybutylene glycol dimethacrylates, polyethylene glycol polypropylene glycol diacrylates, polyethylene glycol propylene glycol dimethacrylates, polyethylene glycol polybutylene glycol diacrylates, and polyethylene glycol polybutylene glycol dimethacrylates.
Claim 10
Dependent Claim
32 words
A transparent resin according to claim 2 wherein the polyfunctional (meth)acrylate of the formula (II) is 2,2-dimethyl-1,3-propanediol diacrylate, 2,2-dimethyl-1,3-propanediol dimethacrylate, 2-methyl-2-ethyl-1,3-propanediol dimethacrylate, 2-methyl-2-isopropyl-1,3-propanediol dimethacrylate, 2-methyl-2-propyl-1,3-propanediol dimethacrylate, 2,2-diethyl-1,3-propanediol dimethacrylate, or a mixture thereof.
Claim 11
Dependent Claim
25 words
A transparent resin according to claim 2, wherein the alkylene oxide group-containing monomer of the formula (I) is tetradecaethylene glycol diacrylate or tetradecaethylene glycol dimethacrylate.
References Cited (Backward Citations)
GB736397A
Cited
GB1278572A
Cited
FR2342510A1
Cited
JPS5994731A
Cited
JPS59109001A
Cited
JPS61175671A
Cited
US4752627A
Cited
JPH05214044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-09-01 | 2001-03-03 | 2001-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-01 | 2005-03-03 | 2005-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-01 | 2009-03-03 | 2009-09-02 | $7700.00 | Window Closed / Lapsed |