Patent US3834741A successfully refreshed from Google Patents.
Patent US5302249A successfully refreshed from Google Patents.
US5302249A
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Treated papers
Assignee: Xerox Corp
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Filing: 1990-01-25
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Granted: 1994-04-12
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Expires: 2010-01-25
Abstract
Abstract A paper comprised of a supporting substrate with a coating comprised of a desizing component and a hydrophilic polymer, and more specifically in an embodiment the paper is comprised of a paper comprised of a supporting substrate treated with desizing agents selected from the group consisting of (1) hydrophilic poly(dialkylsiloxanes); (2) poly(alkylene glycol); (3) poly(propylene oxide)-poly(ethylene oxide) copolymers; (4) fatty ester modified compounds of phosphate, sorbitan, glycerol, poly(ethylene glycol), sulfosuccinic acid, sulfonic acid and alkyl amine; (5) poly(oxyalkylene) modified compounds of sorbitan esters, fatty amines, alkanol amides, castor oil, fatty acids and fatty alcohols; (6) quaternary alkosulfate compounds; (7) fatty imidazolines; and mixtures thereof.
Inventors
- 👤 Shadi L. Malhotra
- 👤 David F. Rutland
- 👤 Arthur Y. Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:04
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/62; D21H19/46
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
21 words
An ink jet water absorbing paper comprised of a supporting substrate surface treated with desizing agents comprised of (1) hydrophilic poly(dialkylsiloxanes).
Claim 2
Dependent Claim
21 words
An ink jet water absorbing paper comprised of a supporting substrate surface treated with desizing agents comprised of (1) hydrophilic poly(dialkylsiloxanes).
Claim 3
Dependent Claim
18 words
A paper in accordance with claim 1 wherein the desizing agent is admixed with a resin binder polymer.
Claim 4
Dependent Claim
24 words
A paper in accordance with claim 1 wherein the desizing agent is dispersed in or admixed in a film forming binder with filler components.
Claim 5
Dependent Claim
21 words
A paper in accordance with claim 1 wherein the supporting substrate is treated on both surfaces thereof with the desizing agents.
Claim 6
Dependent Claim
66 words
A paper in accordance with claim 1 wherein the hydrophilic poly(dialkyl siloxanes) are comprised of (a) carbinol terminated poly(dimethyl siloxanes) selected from the group consisting of poly(ethylene oxide)-b-poly(dimethyl siloxane) diblock copolymers or poly(ethylene oxide)-b-poly(dimethyl siloxane)-b-poly(ethylene oxide) triblock copolymers; (b) poly(dimethyl siloxane)-b-poly(ethylene oxide)-b-poly(propylene oxide) triblock copolymers; (c) poly(dimethyl siloxane)-b-(methyl siloxane alkylene oxide) diblock copolymers where alkylene is ethylene, propylene or ethylene-propylene; or (d) poly quaternary poly(dimethyl siloxane).
Claim 7
Dependent Claim
52 words
A paper in accordance with claim 2 wherein the binder polymer is comprised of (1) hydroxypropylmethyl cellulose; (2) sodiumcarboxymethyl cellulose; (3) hydroxyethyl cellulose; (4) sodium carboxymethylhydroxyethyl cellulose; (5) hydroxypropyl cellulose; (6) ethylhydroxyethyl cellulose; (7) methyl cellulose; (8) cellulose sulfate; (9) hydroxybutyl methyl cellulose; (10) hydroxyethyl methyl cellulose; or (11) cationic hydroxyethyl cellulose.
Claim 8
Dependent Claim
41 words
A paper in accordance with claim 3 wherein the filler components are comprised of clay, calcium silicate, calcium carbonate, hydrated alumina, or cellulosic materials; and wherein the pigment components are comprised of calcium silicate, titanium dioxide, barium sulfate, or mixtures thereof.
Claim 9
Dependent Claim
28 words
A paper in accordance with claim 2 wherein the desizing agent is present in an amount of about 0.25 to about 20 percent by weight of the paper.
Claim 10
Dependent Claim
24 words
A paper in accordance with claim 2 wherein the ratio of binder polymer to the desizing agent is from about 1 to about 20.
Claim 11
Dependent Claim
22 words
A paper in accordance with claim 3 wherein the ratio of filler to binder polymer is from about 0.1 to about 5.
Claim 12
Dependent Claim
19 words
A paper in accordance with claim 1 wherein the surface treatment of the papers comprises coating the paper fibers.
Claim 13
Dependent Claim
36 words
An ink jet water absorbing paper comprised of a supporting substrate with a coating of desizing components comprises of (1) hydrophilic poly(dialkyl siloxanes), which desizing agents are dispersed in or admixed with a resin binder polymer.
Claim 14
Dependent Claim
36 words
An ink jet water absorbing paper comprised of a supporting substrate with a coating of desizing components comprises of (1) hydrophilic poly(dialkyl siloxanes), which desizing agents are dispersed in or admixed with a resin binder polymer.
Claim 15
Dependent Claim
18 words
A paper in accordance with claim 12 wherein the resin binder polymer is a hydrophilic film forming component.
Claim 16
Dependent Claim
25 words
A paper in accordance with claim 12 wherein the supporting substrate contains a coating on both sides of the desizing agent and the binder polymer.
Claim 17
Dependent Claim
36 words
An ink jet water absorbing paper comprised of a supporting substrate with a coating thereover comprised of a desizing component and a hydrophilic polymer and wherein the desizing component is comprised of (1) hydrophilic poly(dimethyl siloxanes).
Claim 18
Dependent Claim
36 words
An ink jet water absorbing paper comprised of a supporting substrate with a coating thereover comprised of a desizing component and a hydrophilic polymer and wherein the desizing component is comprised of (1) hydrophilic poly(dimethyl siloxanes).
References Cited (Backward Citations)
GB922828A
Cited
US3520774A
Cited
US3592730A
Cited
SU372308A1
Cited
US3755071A
Cited
US4049860A
Cited
US4198269A
Cited
US4279794A
Cited
US4510227A
Cited
US4478682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-04-11 | 1997-10-11 | 1998-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-04-11 | 2001-10-11 | 2002-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-04-11 | 2005-10-11 | 2006-04-12 | $7700.00 | Window Closed / Lapsed |