US5229188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transparent film and color image forming method
Assignee: Canon Inc
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Filing: 1991-03-12
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Granted: 1993-07-20
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Expires: 2011-03-12
Abstract
Abstract A transparent laminate film, including at least a first transparent resin layer comprising a transparent resin having a heat-resistance, and a second transparent resin layer disposed thereon comprising a transparent resin, wherein the transparent resin of the second transparent resin layer has a compatibility with a binder resin of a toner to be fixed thereon, and has a large elasticity than that of the binder resin of the toner at a fixing temperature of the toner.
Inventors
- 👤 Tatsuo Takeuchi
- 👤 Koji Amemiya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:21
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/087; G03G9/08742; G03G9/08755; G03G7/00; G03G7/0006; G03G7/002; G03G7/006; G03G7/0073; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/239; Y10T428/24; Y10T428/24802; Y10T428/25; Y10T428/31504
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
215 words
A transparent laminate film adapted to receive a color toner image from a toner comprising at least a binder resin and a chromatic colorant and useful in an overhead projector, comprising: at least a first transparent resin layer comprising a heat-resistant first transparent resin, and a second transparent resin layer disposed thereon comprising a second transparent resin; said second transparent resin of the second transparent resin layer being compatible with said binder resin of said toner to be fixed thereon at a fixing temperature of said toner, wherein said second transparent resin and said binder resin being compatible do not form a visible boundary in a resultant toner image after fixing, and said second transparent resin has an elasticity 5 to 1000 times that of the binder resin of the toner at a fixing temperature of the toner so as to provide a relief fixed toner image on the second layer after fixing; wherein (i) said first transparent resin of said first transparent resin layer has a heat distortion temperature of at least 145° C., wherein said transparent resin is resin selected from the group consisting of polyethylene terephthalate, polyamide and polyimide; and (ii) said second transparent resin of said second transparent resin has a storage elasticity modulus of 100-10,000 dyne/cm 2 at 160° C.
Claim 2
Dependent Claim
215 words
A transparent laminate film adapted to receive a color toner image from a toner comprising at least a binder resin and a chromatic colorant and useful in an overhead projector, comprising: at least a first transparent resin layer comprising a heat-resistant first transparent resin, and a second transparent resin layer disposed thereon comprising a second transparent resin; said second transparent resin of the second transparent resin layer being compatible with said binder resin of said toner to be fixed thereon at a fixing temperature of said toner, wherein said second transparent resin and said binder resin being compatible do not form a visible boundary in a resultant toner image after fixing, and said second transparent resin has an elasticity 5 to 1000 times that of the binder resin of the toner at a fixing temperature of the toner so as to provide a relief fixed toner image on the second layer after fixing; wherein (i) said first transparent resin of said first transparent resin layer has a heat distortion temperature of at least 145° C., wherein said transparent resin is resin selected from the group consisting of polyethylene terephthalate, polyamide and polyimide; and (ii) said second transparent resin of said second transparent resin has a storage elasticity modulus of 100-10,000 dyne/cm 2 at 160° C.
Claim 3
Dependent Claim
27 words
A laminate film according to claim 1, wherein said second transparent resin layer comprises a resin having a solubility parameter of 9.5-12.5 (cal/cm 3 ) 1/2 .
Claim 4
Dependent Claim
31 words
A laminate film according to claim 1, wherein said first transparent resin layer has a thickness of 50-200 microns, and said second transparent resin layer has a thickness of 3-30 microns.
Claim 5
Dependent Claim
31 words
A laminate film according to claim 1, wherein said first transparent resin layer has a thickness of 70-150 microns, and said second transparent resin layer has a thickness of 8-15 microns.
Claim 6
Dependent Claim
39 words
A laminate film according to claim 1, wherein said first transparent resin layer comprises a polyethylene terephthalate resin and said second transparent resin layer comprises a resin having a storage elasticity modulus of 500-5,000 dyne/cm 2 at 160° C.
Claim 7
Dependent Claim
17 words
A laminate film according to claim 5, wherein said second transparent resin layer comprises a polyester resin.
Claim 8
Dependent Claim
17 words
A laminate film according to claim 5, wherein said second transparent resin layer comprises an epoxy resin.
Claim 9
Dependent Claim
139 words
A transparent laminate capable of receiving a color toner image and useful in an overhead projector, comprising: a first transparent resin layer comprising a heat-resistant first transparent resin having a heat distortion temperature of at least 145° C., wherein said first transparent resin is a resin selected from the group consisting of polyethylene terephthalate, polyamide and polyimide and a second transparent resin layer disposed thereon comprising a second transparent resin; said second transparent resin of the second transparent resin layer having a solubility parameter of 9.5-12.5 (cal/cm 3 ) 1/2 , storage elasticity modulus (G') of 100-10,000 dyne/cm 2 at 160° C. and an elasticity 5 to 1,000 times that of the binder resin of the toner at the fixing temperature at the toner, so as to provide a relief, fixed toner image on the second layer after fixing.
Claim 10
Dependent Claim
139 words
A transparent laminate capable of receiving a color toner image and useful in an overhead projector, comprising: a first transparent resin layer comprising a heat-resistant first transparent resin having a heat distortion temperature of at least 145° C., wherein said first transparent resin is a resin selected from the group consisting of polyethylene terephthalate, polyamide and polyimide and a second transparent resin layer disposed thereon comprising a second transparent resin; said second transparent resin of the second transparent resin layer having a solubility parameter of 9.5-12.5 (cal/cm 3 ) 1/2 , storage elasticity modulus (G') of 100-10,000 dyne/cm 2 at 160° C. and an elasticity 5 to 1,000 times that of the binder resin of the toner at the fixing temperature at the toner, so as to provide a relief, fixed toner image on the second layer after fixing.
Claim 11
Dependent Claim
31 words
A laminate film according to claim 8, wherein said first transparent resin layer has a thickness of 50-200 microns, and said second transparent resin layer has a thickness of 3-30 microns.
Claim 12
Dependent Claim
31 words
A laminate film according to claim 8, wherein said first transparent resin layer has a thickness of 70-150 microns, and said second transparent resin layer has a thickness of 8-15 microns.
Claim 13
Dependent Claim
37 words
A laminate film according to claim 8, wherein said first transparent resin layer comprises polyethylene terephthalate and said second transparent resin layer comprises a resin having a storage elasticity modulus of 500-5,000 dyne/cm 2 at 160° C.
Claim 14
Dependent Claim
17 words
A laminate film according to claim 11, wherein said second transparent resin layer comprises a polyester resin.
Claim 15
Dependent Claim
17 words
A laminate film according to claim 11, wherein said second transparent resin layer comprises an epoxy resin.
Claim 16
Dependent Claim
184 words
A transparent laminate film adapted to receive a toner image and useful in an overhead projector, comprising: a least a first transparent resin layer containing a heat-resistant first transparent resin, and a second transparent resin layer disposed thereon comprising a second transparent resin; said second transparent resin of the second transparent resin layer being compatible with a binder resin of said toner to be fixed thereon at a fixing temperature of said toner, wherein said second transparent resin and said binder resin being compatible do not form a visible boundary in a resultant toner image after fixing; wherein (i) said first transparent resin of said first transparent resin layer has a heat distortion temperature of at least 145° C. wherein said first transparent resin is a resin selected from the group consisting of polyethylene terephthalate, polyamide and polyimide; and (ii) said second transparent resin of said second transparent resin layer has a storage elasticity modulus which is 5 to 1,000 times that of said toner at 160° C. so as to provide a relief, fixed toner image on the second resin layer after fixing.
Claim 17
Dependent Claim
184 words
A transparent laminate film adapted to receive a toner image and useful in an overhead projector, comprising: a least a first transparent resin layer containing a heat-resistant first transparent resin, and a second transparent resin layer disposed thereon comprising a second transparent resin; said second transparent resin of the second transparent resin layer being compatible with a binder resin of said toner to be fixed thereon at a fixing temperature of said toner, wherein said second transparent resin and said binder resin being compatible do not form a visible boundary in a resultant toner image after fixing; wherein (i) said first transparent resin of said first transparent resin layer has a heat distortion temperature of at least 145° C. wherein said first transparent resin is a resin selected from the group consisting of polyethylene terephthalate, polyamide and polyimide; and (ii) said second transparent resin of said second transparent resin layer has a storage elasticity modulus which is 5 to 1,000 times that of said toner at 160° C. so as to provide a relief, fixed toner image on the second resin layer after fixing.
Claim 18
Dependent Claim
45 words
A laminate film according to claim 14, wherein said first transparent resin comprises polyethylene terephthalate, said second transparent resin comprises a bisphenol A-type dihydroxy component and said toner comprises at least a polyester binder resin having a bisphenol A-type dihydroxy component and a chromatic colorant.
Claim 19
Dependent Claim
24 words
A laminate film according to claim 15, wherein the second transparent resin has a storage elasticity modulus of 100-10,000 dyne/cm 2 at 160° C.
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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) | 1996-07-19 | 1997-01-18 | 1997-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-07-19 | 2001-01-18 | 2001-07-20 | $3760.00 | Window Closed / Lapsed |
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