US5254403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated recording sheets
Assignee: Xerox Corp
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Filing: 1992-04-23
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Granted: 1993-10-19
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Expires: 2012-04-23
Abstract
Abstract Disclosed is a recording sheet which comprises a substrate and an image receiving layer comprising a mixture of (a) a polymer capable of forming a latex and selected from the group consisting of poly (vinyl chloride), ethylene-vinyl chloride copolymers, poly (vinyl acetate), carboxylated poly (vinyl acetate), ethylene-vinyl acetate copolymers, polymers containing acrylate monomers, poly styrene, styrene-butadiene copolymers, carboxylated styrene-butadiene copolymers, butadiene-acrylonitrile copolymers, butadiene-acrylonitrile-styrene copolymers, and mixtures thereof; (b) a polysaccharide; and (c) a polymer containing oxyalkylene monomers.
Inventors
- 👤 Shadi L. Malhotra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:51
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/502; B41M5/508; B41M5/5236; B41M5/5254; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31938
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
89 words
A recording sheet which comprises a substrate and an image receiving layer consisting essentially of a mixture of (a) a polymer capable of forming a latex and selected from the group consisting of (i) poly (vinyl chloride), (ii) ethylene-vinyl chloride copolymers, (iii) poly (vinyl acetate), (iv) carboxylated poly (vinyl acetate), (v) ethylene-vinyl acetate copolymers, (vi) polymers containing acrylate monomers, (vii) poly styrene, (viii) styrenebutadiene copolymers, (ix) carboxylated styrene-butadiene copolymers, (x) butadiene-acrylonitrile copolymers, (xi) butadiene-acrylonitrile-styrene copolymers, and (xii) mixtures thereof; (b) a polysaccharide; and (c) a polymer containing oxyalkylene monomers.
Claim 2
Dependent Claim
89 words
A recording sheet which comprises a substrate and an image receiving layer consisting essentially of a mixture of (a) a polymer capable of forming a latex and selected from the group consisting of (i) poly (vinyl chloride), (ii) ethylene-vinyl chloride copolymers, (iii) poly (vinyl acetate), (iv) carboxylated poly (vinyl acetate), (v) ethylene-vinyl acetate copolymers, (vi) polymers containing acrylate monomers, (vii) poly styrene, (viii) styrenebutadiene copolymers, (ix) carboxylated styrene-butadiene copolymers, (x) butadiene-acrylonitrile copolymers, (xi) butadiene-acrylonitrile-styrene copolymers, and (xii) mixtures thereof; (b) a polysaccharide; and (c) a polymer containing oxyalkylene monomers.
Claim 3
Dependent Claim
25 words
A recording sheet according to claim 1 wherein the image receiving layer is present in a thickness of from about 1 to about 25 microns.
Claim 4
Dependent Claim
61 words
A recording sheet according to claim 1 wherein the image receiving layer contains the latex-forming polymer in an amount of from about 5 to about 95 percent by weight, the polysaccharide in an amount of from about 2 to about 60 percent by weight, and the oxyalkylene-containing polymer in an amount of from about 3 to about 60 percent by weight.
Claim 5
Dependent Claim
16 words
A recording sheet according to claim 1 wherein the image receiving layer contains a filler material.
Claim 6
Dependent Claim
45 words
A recording sheet according to claim 1 wherein the polysaccharide is selected from the group consisting of cellulose ester salts, cellulose ethers, cellulose ether salts, cationic cellulose ethers, hydroxyalkyl celluloses, substituted deoxycelluloses, dextran polymers, natural ionic gums, protein polymers, n-carboxymethyl amylose salts, and mixtures thereof.
Claim 7
Dependent Claim
81 words
A recording sheet according to claim 1 wherein the oxyalkylene-containing polymer is selected from the group consisting of poly (oxy methylene), poly (oxyethylene), poly (propylene oxide), poly (1,4-oxy butylene) glycol, ethylene oxide/propylene oxide copolymers, tetrafunctional block copolymers derived from the sequential addition of ethylene oxide and propylene oxide to ethylene diamine, ethylene oxide/2-hdyroxyethyl methacrylate/ethylene oxide triblock copolymers, ethylene oxide/hydroxypropyl methacrylate/ethylene oxide triblock copolymers, ethylene oxide/4-vinyl pyridine/ethylene oxide triblock copolymers, ionene/ethylene oxide/ionene triblock copolymers, ethylene oxide/isoprene/ethylene oxide triblock copolymers, and mixtures thereof.
Claim 8
Dependent Claim
20 words
A recording sheet according to claim 1 wherein the image receiving layer is coated onto both surfaces of the substrate.
Claim 9
Dependent Claim
13 words
A recording sheet according to claim 1 wherein the substrate is substantially transparent.
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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) | 1996-10-18 | 1997-04-19 | 1997-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-10-18 | 2001-04-19 | 2001-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-10-18 | 2005-04-19 | 2005-10-19 | $7700.00 | Window Closed / Lapsed |