US5118570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink jet transparencies and papers
Assignee: Xerox Corp
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Filing: 1991-01-14
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Granted: 1992-06-02
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Expires: 2011-01-14
Abstract
Abstract A transparency comprised of a hydrophilic coating and a plasticizer, which plasticizer can, for example, be from the group consisting of phosphates, substituted phthalic anhydrides, glycerols, glycols, substituted glycerols, pyrrolidinones, alkylene carbonates, sulfolanes, and stearic acid derivatives.
Inventors
- 👤 Shadi L. Malhotra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:16
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/502; B41M5/508; B41M5/5218; B41M5/5227; B41M5/5236; B41M5/5254; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/259; Y10T428/31504; Y10T428/31725; Y10T428/31855; Y10T428/31971
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
88 words
A humidity resistant ink jet transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 97 to about 75 percent by weight of a component selected from the group consisting of carboxymethyl cellulose, poly(acrylamide), hydroxyethyl cellulose, methyl cellulose, and carboxymethylhydroxyethyl cellulose, from about 2 to about 20 percent by weight of a plasticizer selected from the group consisting of propylene glycol, propylene glycol monostearate, diethylene glycol, and ethylene carbonate plasticizer, and from about 1 to about 5 percent by weight of colloidal silica filler.
Claim 2
Dependent Claim
88 words
A humidity resistant ink jet transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 97 to about 75 percent by weight of a component selected from the group consisting of carboxymethyl cellulose, poly(acrylamide), hydroxyethyl cellulose, methyl cellulose, and carboxymethylhydroxyethyl cellulose, from about 2 to about 20 percent by weight of a plasticizer selected from the group consisting of propylene glycol, propylene glycol monostearate, diethylene glycol, and ethylene carbonate plasticizer, and from about 1 to about 5 percent by weight of colloidal silica filler.
Claim 3
Dependent Claim
71 words
A humidity resistant ink jet transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 95 to about 30 percent by weight of carboxymethyl cellulose, or hydroxy propyl methyl cellulose, from about 2 to about 45 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of propylene carbonate and from about 1 to about 5 percent by weight of colloidal silica.
Claim 4
Dependent Claim
71 words
A humidity resistant ink jet transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 95 to about 30 percent by weight of carboxymethyl cellulose, or hydroxy propyl methyl cellulose, from about 2 to about 45 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of propylene carbonate and from about 1 to about 5 percent by weight of colloidal silica.
Claim 5
Dependent Claim
72 words
A humidity resistant ink jet transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 95 to about 30 percent by weight of hydroxyethyl cellulose, or methyl cellulose, from about 2 to about 45 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of ethylene glycol, or vinyl pyrrolidone, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 6
Dependent Claim
72 words
A humidity resistant ink jet transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 95 to about 30 percent by weight of hydroxyethyl cellulose, or methyl cellulose, from about 2 to about 45 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of ethylene glycol, or vinyl pyrrolidone, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 7
Dependent Claim
64 words
A humidity resistant ink jet transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 95 to about 30 percent by weight of carboxymethyl cellulose, from about 2 to about 45 percent by weight of poly(acrylamide), from about 2 to about 20 percent by weight of urea phosphate, and from 1 to about 5 percent by weight of colloidal silica.
Claim 8
Dependent Claim
64 words
A humidity resistant ink jet transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 95 to about 30 percent by weight of carboxymethyl cellulose, from about 2 to about 45 percent by weight of poly(acrylamide), from about 2 to about 20 percent by weight of urea phosphate, and from 1 to about 5 percent by weight of colloidal silica.
Claim 9
Dependent Claim
75 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 2 to about 20 percent by weight of hydroxypropyl cellulose, from about 90 by about 30 percent by weight of carboxymethyl cellulose, from about 5 to about 25 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of glycerol α-monomethyl ether, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 10
Dependent Claim
75 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 2 to about 20 percent by weight of hydroxypropyl cellulose, from about 90 by about 30 percent by weight of carboxymethyl cellulose, from about 5 to about 25 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of glycerol α-monomethyl ether, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 11
Dependent Claim
72 words
A transparency comprised of a supporting substrate and a coating comprised of from about 90 to about 10 percent by weight of hydroxyethyl cellulose, from about 5 to about 40 percent by weight of carboxymethyl cellulose, from about 2 to about 25 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of n-methyl-2-pyrrolidinone, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 12
Dependent Claim
72 words
A transparency comprised of a supporting substrate and a coating comprised of from about 90 to about 10 percent by weight of hydroxyethyl cellulose, from about 5 to about 40 percent by weight of carboxymethyl cellulose, from about 2 to about 25 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of n-methyl-2-pyrrolidinone, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 13
Dependent Claim
76 words
A transparency comprised of a supporting substrate and a coating comprised of from about 90 to about 25 percent by weight of carboxymethyl cellulose, from about 5 to about 30 percent by weight of vinyl methyl ether/maleic acid copolymer, from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of triphenyl phosphate, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 14
Dependent Claim
76 words
A transparency comprised of a supporting substrate and a coating comprised of from about 90 to about 25 percent by weight of carboxymethyl cellulose, from about 5 to about 30 percent by weight of vinyl methyl ether/maleic acid copolymer, from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of triphenyl phosphate, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 15
Dependent Claim
74 words
A transparency comprised of a supporting substrate and a coating comprised of from about 5 to about 45 percent by weight of carboxymethyl cellulose, from about 90 to about 10 percent by weight of acrylamide/acrylic acid copolymer, from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of bromophthalic anhydride, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 16
Dependent Claim
74 words
A transparency comprised of a supporting substrate and a coating comprised of from about 5 to about 45 percent by weight of carboxymethyl cellulose, from about 90 to about 10 percent by weight of acrylamide/acrylic acid copolymer, from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of bromophthalic anhydride, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 17
Dependent Claim
73 words
A transparency comprised of a supporting substrate and a coating comprised of from about 5 to about 40 percent by weight of carboxymethyl cellulose, from about 90 to about 15 percent by weight of cellulose sulfate, from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of propylene glycol, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 18
Dependent Claim
73 words
A transparency comprised of a supporting substrate and a coating comprised of from about 5 to about 40 percent by weight of carboxymethyl cellulose, from about 90 to about 15 percent by weight of cellulose sulfate, from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of propylene glycol, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 19
Dependent Claim
76 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 90 to about 25 percent by weight of carboxymethyl cellulose, from about 5 to about 30 percent by weight of poly(2-acrylamido-2-methylpropane sulfonic acid), from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of tetra chlorophthalic anhydride, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 20
Dependent Claim
76 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 90 to about 25 percent by weight of carboxymethyl cellulose, from about 5 to about 30 percent by weight of poly(2-acrylamido-2-methylpropane sulfonic acid), from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of tetra chlorophthalic anhydride, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 21
Dependent Claim
79 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 2 to about 20 percent by weight of poly(vinyl pyrrolidone), or polyvinyl alcohol, from about 90 to about 35 percent by weight of carboxymethyl cellulose, from about 5 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of n-vinyl-2-pyrrolidinone, or glycerol monohydrate, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 22
Dependent Claim
79 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 2 to about 20 percent by weight of poly(vinyl pyrrolidone), or polyvinyl alcohol, from about 90 to about 35 percent by weight of carboxymethyl cellulose, from about 5 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of n-vinyl-2-pyrrolidinone, or glycerol monohydrate, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 23
Dependent Claim
84 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 90 to about 15 percent by weight of carboxy methyl hydroxyethyl cellulose, or hydroxy propyl methyl cellulose, from about 5 to about 40 percent by weight of carboxymethyl cellulose, from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of propylene glycol, or diethylene glycol, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 24
Dependent Claim
84 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprised of from about 90 to about 15 percent by weight of carboxy methyl hydroxyethyl cellulose, or hydroxy propyl methyl cellulose, from about 5 to about 40 percent by weight of carboxymethyl cellulose, from about 2 to about 20 percent by weight of poly(ethylene oxide), from about 2 to about 20 percent by weight of propylene glycol, or diethylene glycol, and from about 1 to about 5 percent by weight of colloidal silica.
Claim 25
Dependent Claim
81 words
An ink jet paper comprised of a supporting substrate and as a coating on the supporting substrate a mixture comprised of from about 10 to about 15 percent by weight of poly(ethylene oxide), from about 15 to about 5 percent by weight of carboxymethyl cellulose, from about 25 to about 3 percent by weight of hydroxypropyl cellulose, from about 20 to about 2 percent by weight of ethylene carbonate, and from 30 to about 75 percent by weight of colloidal silica.
Claim 26
Dependent Claim
81 words
An ink jet paper comprised of a supporting substrate and as a coating on the supporting substrate a mixture comprised of from about 10 to about 15 percent by weight of poly(ethylene oxide), from about 15 to about 5 percent by weight of carboxymethyl cellulose, from about 25 to about 3 percent by weight of hydroxypropyl cellulose, from about 20 to about 2 percent by weight of ethylene carbonate, and from 30 to about 75 percent by weight of colloidal silica.
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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) | 1995-06-02 | 1995-12-02 | 1996-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-02 | 1999-12-02 | 2000-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-02 | 2003-12-02 | 2004-06-02 | $7700.00 | Window Closed / Lapsed |