US4956225A
Expired / Lapsed
US
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Transparency with a polymeric substrate and toner receptive coating
Assignee: Xerox Corp
•
Filing: 1987-04-02
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Granted: 1990-09-11
•
Expires: 2007-04-02
Abstract
Abstract Disclosed is a transparency suitable for electrographic and xerographic imaging comprised of a polymeric substrate with a toner receptive coating on one surface thereof comprised of blends selected from the group consisting of: poly(ethylene oxide) and carboxymethyl cellulose; poly(ethylene oxide), carboxymethyl cellulose and hydroxypropyl cellulose; poly(ethylene oxide) and vinylidene fluoride/hexafluoropropylene copolymer; poly(chloroprene) and poly(α-methylstyrene); poly(caprolactone) and poly(α-methylstyrene); poly(vinyl isobutylether) and poly(α-methylstyrene); poly(caprolactone) and poly(p-isopropyl α-methylstyrene); blends of poly(1,4-butylene adipate) and poly(α-methylstyrene); chlorinated poly(propylene) and poly(α-methylstyrene); chlorinated poly(ethylene) and poly(α-methylstyrene); and chlorinated rubber and poly(α-methylstyrene). Also disclosed are transparencies with first and second coating layers.
Inventors
- 👤 Shadi L. Malhotra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:20
CPC Classifications
G; G03; G03G; G03G7/00; G03G7/0006; G03G7/002; G03G7/0026; G03G7/0046; G03G7/0033; G03G7/004; Y; Y10; Y10S; Y10S428/00; Y10S428/918; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/24975; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/31504; Y10T428/31533; Y10T428/31801; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31928
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
90 words
A transparency comprised of a polymeric substrate with a toner receptive coating on one surface thereof comprised of blends selected from the group consisting of: poly(ethylene oxide) and carboxymethyl cellulose; poly(ethylene oxide), carboxymethyl cellulose and hydroxypropyl cellulose; poly(ethylene oxide) and vinylidene fluoride/hexafluoropropylene copolymer; poly(chloroprene) and poly(α-methylstyrene); poly(caprolactone) and poly(α-methylstyrene); poly(vinyl isobutylether) and poly(α-methylstyrene); poly(caprolactone) and poly(p-isopropyl α-methylstyrene); poly(1,4-butylene adipate) and poly(α-methylstyrene); chlorinated poly(propylene) and poly(α-methylstyrene); chlorinated poly(ethylene) and poly(α-methylstyrene); and chlorinated rubber and poly(α-methylstyrene), wherein said transparency is selected as an image receiving sheet for electrophotographic or ionographic imaging processes.
Claim 2
Dependent Claim
90 words
A transparency comprised of a polymeric substrate with a toner receptive coating on one surface thereof comprised of blends selected from the group consisting of: poly(ethylene oxide) and carboxymethyl cellulose; poly(ethylene oxide), carboxymethyl cellulose and hydroxypropyl cellulose; poly(ethylene oxide) and vinylidene fluoride/hexafluoropropylene copolymer; poly(chloroprene) and poly(α-methylstyrene); poly(caprolactone) and poly(α-methylstyrene); poly(vinyl isobutylether) and poly(α-methylstyrene); poly(caprolactone) and poly(p-isopropyl α-methylstyrene); poly(1,4-butylene adipate) and poly(α-methylstyrene); chlorinated poly(propylene) and poly(α-methylstyrene); chlorinated poly(ethylene) and poly(α-methylstyrene); and chlorinated rubber and poly(α-methylstyrene), wherein said transparency is selected as an image receiving sheet for electrophotographic or ionographic imaging processes.
Claim 3
Dependent Claim
100 words
A transparency comprised of a polymeric substrate with a toner receptive coating on one surface thereof comprised of: (a) a first layer coated with a crystalline polymer selected from the group consisting of poly(chloroprene), chlorinated rubber, blends of poly(ethylene oxide) and a vinylidene fluoride/hexafluoropropylene copolymer, chlorinated poly(propylene), chlorinated poly(ethylene), poly(vinylmethyl ketone), poly(caprolactone), poly(1,4-butylene adipate), poly(vinylmethyl ether), and poly(vinyl isobutylether); and (b) a second overcoating layer comprised of a cellulose ether selected from the group consisting of hydroxypropyl methyl cellulose, hydroxypropyl cellulose, and ethyl cellulose, wherein said transparency is selected as an image receiving sheet for electrophotographic or ionographic imaging processes.
Claim 4
Dependent Claim
100 words
A transparency comprised of a polymeric substrate with a toner receptive coating on one surface thereof comprised of: (a) a first layer coated with a crystalline polymer selected from the group consisting of poly(chloroprene), chlorinated rubber, blends of poly(ethylene oxide) and a vinylidene fluoride/hexafluoropropylene copolymer, chlorinated poly(propylene), chlorinated poly(ethylene), poly(vinylmethyl ketone), poly(caprolactone), poly(1,4-butylene adipate), poly(vinylmethyl ether), and poly(vinyl isobutylether); and (b) a second overcoating layer comprised of a cellulose ether selected from the group consisting of hydroxypropyl methyl cellulose, hydroxypropyl cellulose, and ethyl cellulose, wherein said transparency is selected as an image receiving sheet for electrophotographic or ionographic imaging processes.
Claim 5
Dependent Claim
46 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend from about 5 percent by weight to about 95 percent by weight of poly(chloroprene), and from about 95 percent by weight to about 5 percent by weight of poly(α-methylstyrene).
Claim 6
Dependent Claim
47 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 15 percent by weight to about 85 percent by weight of poly(caprolactone), and from about 85 percent by weight to about 15 percent by weight of poly(α-methylstyrene).
Claim 7
Dependent Claim
48 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 15 percent by weight to about 85 percent by weight of poly(vinyl isobutylether), and from about 85 percent by weight to about 15 percent by weight of poly(α-methylstyrene).
Claim 8
Dependent Claim
64 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 25 percent by weight to about 65 percent by weight of poly(ethylene oxide), from about 65 percent by weight to about 33 percent by weight of carboxymethyl cellulose, and from about 10 percent by weight to about 2 percent by weight of hydroxypropyl cellulose.
Claim 9
Dependent Claim
48 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 5 percent by weight to about 95 percent by weight of poly(caprolactone), and from about 95 percent by weight to about 5 percent by weight of poly(p-isopropyl α-methylstyrene).
Claim 10
Dependent Claim
49 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 25 percent by weight to about 60 percent by weight of poly(ethylene oxide), and from about 75 percent by weight to about 40 percent by weight of carboxymethyl cellulose.
Claim 11
Dependent Claim
63 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 10 percent by weight to about 40 percent by weight of poly(ethylene oxide), and from about 90 percent by weight to about 60 percent by weight vinylidene fluoride/hexafluoropropylene copolymer with a hexafluoropropylene content of from about 40 to about 70 percent by weight.
Claim 12
Dependent Claim
48 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 10 percent by weight to about 50 percent by weight of poly(1,4-butylene adipate), and from about 90 percent by weight to about 50 percent by weight of poly(α-methylstyrene).
Claim 13
Dependent Claim
48 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 5 percent by weight to about 95 percent by weight of chlorinated poly(propylene), and from about 95 percent by weight to about 5 percent by weight of poly(α-methylstyrene).
Claim 14
Dependent Claim
48 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 5 percent by weight to about 95 percent by weight of chlorinated poly(ethylene), and from about 95 percent by weight to about 5 percent by weight of poly(α-methylstyrene).
Claim 15
Dependent Claim
48 words
A transparency in accordance with claim 1 wherein the toner receptive coating is comprised of a blend of from about 5 percent by weight to about 95 percent by weight of chlorinated rubber, and from about 95 percent by weight to about 5 percent by weight of poly(α-methylstyrene).
Claim 16
Dependent Claim
27 words
A transparency in accordance with claim 1 wherein the supporting substrate is selected from the group consisting of cellulose acetate, poly(sulfone), poly(propylene), poly(vinyl chloride), and poly(ethylene terephthalate).
Claim 17
Dependent Claim
22 words
A transparency in accordance with claim 1 wherein the coating is present in a thickness from about 2 to about 5 microns.
Claim 18
Dependent Claim
79 words
A transparency which comprises a polymeric substrate with a toner receptive coating on one surface thereof, said coating comprising blends selected from the group consisting of: poly(ethylene oxide) and vinylidene fluoride/hexafluoropropylene copolymer; poly(chloroprene) and poly(α-methylstyrene); poly(caprolactone) and poly(α-methylstyrene); poly(vinyl isobutylether) and poly(α-methylstyrene); poly(caprolactone) and poly(p-isopropyl α-methylstyrene); poly(1,4-butylene adipate) and poly(α-methylstyrene); chlorinated poly(propylene) and poly(α-methylstyrene); chlorinated poly(ethylene) and poly(α-methylstyrene); and chlorinated rubber and poly(α-methylstyrene), wherein said transparency is selected as an image receiving sheet for electrophotographic or ionographic imaging processes.
Claim 19
Dependent Claim
79 words
A transparency which comprises a polymeric substrate with a toner receptive coating on one surface thereof, said coating comprising blends selected from the group consisting of: poly(ethylene oxide) and vinylidene fluoride/hexafluoropropylene copolymer; poly(chloroprene) and poly(α-methylstyrene); poly(caprolactone) and poly(α-methylstyrene); poly(vinyl isobutylether) and poly(α-methylstyrene); poly(caprolactone) and poly(p-isopropyl α-methylstyrene); poly(1,4-butylene adipate) and poly(α-methylstyrene); chlorinated poly(propylene) and poly(α-methylstyrene); chlorinated poly(ethylene) and poly(α-methylstyrene); and chlorinated rubber and poly(α-methylstyrene), wherein said transparency is selected as an image receiving sheet for electrophotographic or ionographic imaging processes.
Claim 20
Dependent Claim
21 words
A transparency in accordance with claim 1 wherein said transparency is selected as an image receiving sheet for xerographic imaging processes.
Claim 21
Dependent Claim
21 words
A transparency in accordance with claim 2 wherein said transparency is selected as an image receiving sheet for xerographic imaging processes.
Claim 22
Dependent Claim
21 words
A transparency in accordance with claim 16 wherein said transparency is selected as an image receiving sheet for xerographic imaging processes.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-09-10 | 1994-03-12 | 1994-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-10 | 1998-03-12 | 1998-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-09-10 | 2002-03-12 | 2002-09-11 | $7700.00 | Window Closed / Lapsed |