US5006407A
Expired / Lapsed
US
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Ink jet transparencies and papers
Assignee: Xerox Corp
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Filing: 1989-02-08
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Granted: 1991-04-09
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Expires: 2009-02-08
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.
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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) | 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 |