EP0444950A2
Expired / Lapsed
EP
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Coated substrates
Assignee: Xerox Corp
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Filing: 1991-03-01
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Granted: —
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Expires: 2011-03-01
Abstract
Abstract A transparent substrate material for receiving or containing an image is coated with a composition comprised of a mixture of (a) non-ionic celluloses or blends thereof; (b) ionic-celluloses or blends thereof; (c) poly(alkylene oxide); and a noncellulosic component of (1) poly(imidazoline) quaternized; (2) poly(N,N-dialkyl-dialkylene piperidinium halide); (3) poly(acrylamido alkyl propane sulfonic acid); (4) poly(ethylene imine) epihalohydrin; (5) poly(acrylamide); (6) acrylamide-acrylic acid copolymer; (7) poly(vinyl pyrrolidone); (8) poly(vinyl alcohol); (9) vinyl pyrrolidone-dialkyl aminomethylmethacrylate copolymer quaternized, (10) vinyl pyrrolidone-vinyl acetate copolymer; or mixtures thereof. The substrate may be coated on one or both sides.
Inventors
- 👤 Shadi L. Mahotra
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 11:05
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; G; G03; G03G; G03G7/00; G03G7/0006; G03G7/002; G03G7/0026; G03G7/0033; G03G7/004; G03G7/0046; G03G7/0086; B41M5/502; B41M5/508; B41M5/5218; B41M5/5236; B41M5/5245; B41M5/5254; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31533; Y10T428/3154; Y10T428/31721; Y10T428/31725; Y10T428/31736; Y10T428/3175; Y10T428/31779; Y10T428/31786; Y10T428/3179; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31891; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31928; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31986
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
81 words
A transparent substrate material for receiving an image and coating with a composition comprised of a mixture of (a) non-ionic celluloses or blends thereof; (b) ionic celluloses or blends thereof; (c) poly(alkylene oxide), and a non-cellulosic component of (1) poly(imidazoline) quaternized; (2) poly(N,N-dialkyl-dialkylene piperidinium halide); (3) poly(acrylamido alkyl propane sulfonic acid); (4) poly(ethylene imine) epihalohydrin; (5) poly(acrylamide); (6) acrylamide-acrylic acid copolymer; (7) poly(vinyl pyrrolidone); (8) poly(vinyl alcohol); (9) vinyl pyrrolidone-dialkyl aminomethylmethacrylate copolymer quaternized; (10) vinyl pyrrolidone-vinyl acetate copolymer; or mixtures thereof.
Claim 2
Dependent Claim
27 words
A material in accordance with claim 1, wherein the non-ionic celluloses are comprised of alkyl celluloses, hydroxyalkyl celluloses, alkyl hydroxy alkyl celluloses or hydroxy alkyl alkyl celluloses.
Claim 3
Dependent Claim
66 words
A material in accordance with claim 2, wherein the alkyl celluloses are comprised of methyl cellulose, ethyl cellulose, or ethyl methyl cellulose; the hydroxyalkyl celluloses are comprised of hydroxyethylcellulose, mono or dihydroxypropyl cellulose, hydroxyethyl hydroxypropyl cellulose; the alkyl hydroxyalkyl celluloses are comprised of methylhydroxyethyl cellulose or ethylhydoxyethyl cellulose; and the hydroxyalkyl alkyl celluloses are comprised of hydroxymethylethyl cellulose, hydroxyethyl methyl cellulose, hydroxypropylmethyl cellulose or hydroxybutylmethyl cellulose.
Claim 4
Dependent Claim
22 words
A material in accordance with any preceding claim, wherein the ionic celluloses are comprised of anionic celluloses, cationic celluloses and amphoteric celluloses.
Claim 5
Dependent Claim
55 words
A material in accordance with claim 4, wherein the anionic celluloses are comprised of sodium carboxymethyl cellulose, sodium carboxymethyl methyl cellulose, sodium carboxymethylhydroxyethyl cellulose, or sodium cellulose sulfate; the cationic celluloses are comprised of quaternary hydroxypropyl trimethylammoniumchloridehydroxyethyl cellulose, or a quaternary diethyl ammoniumchloride cellulose; and the amphoteric celluloses are comprised of a carboxymethyl diaminoethyl cellulose.
Claim 6
Dependent Claim
22 words
A material in accordance with any preceding claim, wherein the poly(alkylene oxide) is comprised of poly(ethylene oxide), poly(propylene oxide), or poly( 1.4-oxybutylene).
Claim 7
Dependent Claim
57 words
A material in accordance with any preceding claim, wherein the coating composition is comprised of 1 to 60 percent by weight of the non-ionic celluloses, from 55 to 1 percent by weight of ionic celluloses, from 43 to 1 percent by weight of poly(alkylene oxide), and from 1 to 38 percent by weight of the non-cellulosic component.
Claim 8
Dependent Claim
57 words
A material in accordance with claim 7, wherein the coating composition is comprised of from 5 to 55 percent by weight of the non-ionic celluloses, from 50 to 5 percent by weight of the ionic celluloses, from 40 to 5 percent of poly(alkylene oxide), and from 5 to 35 percent by weight of the non-cellulosic additional component.
Claim 9
Dependent Claim
15 words
A material in accordance with any preceding claim, wherein the coating composition contains a filler.
Claim 10
Dependent Claim
21 words
A material in accordance with claim 9, wherein the filler is colloidal silica, titanium dioxide and or an alkali metal carbonate.
Claim 11
Dependent Claim
18 words
A material in accordance with any preceding claim, wherein the coating is from 5 to 25 µm thick.
Claim 12
Dependent Claim
27 words
A material in accordance with any preceding claim, wherein the substrate is coated with the polymer mixture dissolved in a mixture of water with an aliphatic alcohol.
Claim 13
Dependent Claim
27 words
A material in accordance with any preceding claim, wherein the substrate is made from cellulose acetate, poly(sulfone), poly(propylene), poly(styrene), poly(vinyl chloride), poly(vinyl fluoride), cellophane or poly(ethylene terephthalate).
References Cited (Backward Citations)
No citation records indexed.
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