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US5006407A Expired / Lapsed US ⏱️ 0.0 years remaining

Ink jet transparencies and papers

Assignee: Xerox Corp
•
Filing: 1989-02-08
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Granted: 1991-04-09
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Expires: 2009-02-08
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Abstract

Abstract A transparency comprised of a hydrophillic 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 2026-11-03 15:12
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; Y10T428/31504; Y10T428/31533; Y10T428/31786; Y10T428/3179; Y10T428/31797; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31938; Y10T428/31971

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 46 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprising a plasticizer and a member selected from the group consisting of cellulose ester, alkyl cellulose, cyanoalkyl cellulose, carboxyalkyl cellulose, carboxyalkyl hydroxyalkyl cellulose, hydroxyalkyl cellulose, hydroxyalkyl methyl cellulose, acrylamide, a poly(alkylene oxide), and mixtures thereof.
Claim 2
Dependent Claim 46 words
A transparency comprised of a supporting substrate and a hydrophilic coating comprising a plasticizer and a member selected from the group consisting of cellulose ester, alkyl cellulose, cyanoalkyl cellulose, carboxyalkyl cellulose, carboxyalkyl hydroxyalkyl cellulose, hydroxyalkyl cellulose, hydroxyalkyl methyl cellulose, acrylamide, a poly(alkylene oxide), and mixtures thereof.
Claim 3
Dependent Claim 32 words
A transparency in accordance with claim 1 wherein the plasticizer is selected from the group consisting of phosphates, substituted phthalic anhydrides, glycerols, glycols, substituted glycerols, pyrrolidinones, alkylene carbonates, sulfolanes, and stearic acid.
Claim 4
Dependent Claim 50 words
A transparency in accordance with claim 2 wherein the plasticizer is selected from the group consisting of propylene glycol monostearate, glycerol monostearate, n-vinyl-2-pyrrolidinone, glycerol α-monomethylether, tetra bromophthalic anhydride, tetra chlorophthalic anhydride, triphenyl phosphate, glycerol monochlorohydrin, urea phosphate, ethylene glycol, diethylene glycol, n-methyl-2-pyrrolidinone, ethylene carbonate, propylene carbonate, and tetra methylene sulfone.
Claim 5
Dependent Claim 24 words
A transparency in accordance with claim 1 wherein the plasticizer is present in an amount of about 2 to about 20 percent by weight.
Claim 6
Dependent Claim 69 words
A transparency in accordance with claim 1 wherein the coating is comprised of poly(ethylene oxide), and carboxymethyl cellulose together with a component selected from the group consisting of (1) hydroxypropyl cellulose; (2) vinyl methyl ether/maleic acid copolymer; (3) carboxymethyl hydroxyethyl cellulose; (4) hydroxyethyl cellulose; (5) acrylamide-acrylic acid copolymer; (6) cellulose sulfate; (7) poly(2-acrylamido-2-methyl propane sulfonic acid); (8) poly(vinyl alcohol); (9) poly(vinyl pyrrolidone); and (10) hydroxypropylmethyl cellulose and a plasticizer.
Claim 7
Dependent Claim 29 words
A transparency in accordance with claim 1 where in the supporting substrate is selected from the group consisting of poly(ethylene terephthalate), cellulose acetate, cellophane, polysulfone, polyvinyl chloride, and polypropylene.
Claim 8
Dependent Claim 19 words
A transparency in accordance with claim 1 wherein the supporting substrate is coated in equal amounts on both sides.
Claim 9
Dependent Claim 28 words
A transparency in accordance with claim 7 wherein the coating is present in a thickness of about 5 to about 25 microns on each side of the substrate.
Claim 10
Dependent Claim 41 words
A transparency in accordance with claim 1 wherein the transparency coating compositions are resistant to humidities of up to 80 percent at 80° F. for a period of from about 5 days to about 7 days without undergoing bleeding or smearing.
Claim 11
Dependent Claim 49 words
A transparency comprised of a supporting substrate and a coating selected from the group consisting of a cellulose ester, alkyl cellulose, cyanoalkyl cellulose, carboxyalkyl cellulose, carboxyalkyl hydroxyalkyl cellulose, hydroxyalkyl cellulose, hydroxyalkyl methyl cellulose, an acrylamide, poly(alkylene oxide), and mixtures thereof, which coating contains therein a plasticizer, and a filler.
Claim 12
Dependent Claim 49 words
A transparency comprised of a supporting substrate and a coating selected from the group consisting of a cellulose ester, alkyl cellulose, cyanoalkyl cellulose, carboxyalkyl cellulose, carboxyalkyl hydroxyalkyl cellulose, hydroxyalkyl cellulose, hydroxyalkyl methyl cellulose, an acrylamide, poly(alkylene oxide), and mixtures thereof, which coating contains therein a plasticizer, and a filler.
Claim 13
Dependent Claim 25 words
A transparency in accordance with claim 10 wherein the filler is selected from the group consisting of silicates, oxides, carbonates, sulfates and insoluble cellulosic materials.
Claim 14
Dependent Claim 25 words
A transparency in accordance with claim 11 wherein the filler is present in the amount of from about 1 to about 5 percent by weight.
Claim 15
Dependent Claim 23 words
A transparency in accordance with claim 10 wherein the filler is colloidal silica, titanium dioxide, calcium carbonate, barium sulfate, α-cellulose, or mixtures thereof.
Claim 16
Dependent Claim 32 words
A transparency in accordance with claim 10 wherein the plasticizer is selected from the group consisting of phosphates, substituted phthalic anhydrides, glycerols, glycols, substituted glycerols, pyrrolidinones, alkylene carbonates, sulfolanes, and stearic acid.
Claim 17
Dependent Claim 66 words
A transparency in accordance with claim 10 wherein the coating is comprised of a blend comprised of poly(ethylene oxide) and carboxymethyl cellulose together with a component selected from the group consisting of (1) hydroxypropyl cellulose; (2) vinylmethylether/maleic acid; (3) carboxymethyl hydroxyethyl cellulose; (4) hydroxyethyl cellulose; (5) acrylamide/acrylic acid copolymer; (6) cellulose sulfate; (7) poly(2-acrylamido-2-methylpropane sulfonic acid); (8) poly(vinyl alcohol); (9) poly(vinyl pyrrolidone); and (10) hydroxypropylmethyl cellulose.
Claim 18
Dependent Claim 57 words
A transparency comprised of a supporting substrate and a hydrophilic coating wherein the hydrophilic coating is comprised of from about 97 to about 75 percent by weight of hydroxypropylmethyl cellulose, from about 2 to about 20 percent by weight of ethylene glycol plasticizer, and from about 1 to about 5 percent by weight of colloidal silica filler.
Claim 19
Dependent Claim 57 words
A transparency comprised of a supporting substrate and a hydrophilic coating wherein the hydrophilic coating is comprised of from about 97 to about 75 percent by weight of hydroxypropylmethyl cellulose, from about 2 to about 20 percent by weight of ethylene glycol plasticizer, and from about 1 to about 5 percent by weight of colloidal silica filler.

References Cited (Backward Citations)

US4578285A Cited
US4503111A Cited
US4474850A Cited
US4680235A Cited
US4555437A Cited
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US4592954A Cited
US4865914A Cited
JPS6432787A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-04-08 1994-10-08 1995-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-04-08 1998-10-08 1999-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-04-08 2002-10-08 2003-04-09 $7700.00 Window Closed / Lapsed

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