Patent US4592951A successfully refreshed from Google Patents.
US4592951A
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Ink jet recording sheet
Assignee: Polaroid Corp
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Filing: 1984-07-18
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Granted: 1986-06-03
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Expires: 2004-07-18
Abstract
Abstract An ink jet recording sheet comprising a transparent support carrying a layer of cross-linked polyvinyl alcohol.
Inventors
- 👤 Michael S. Viola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:29
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/5245; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J2367/00; C08J2367/02; C08J2429/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/25; Y10T428/252; Y10T428/259; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
17 words
A transparent ink jet recording sheet comprising a transparent support carrying a layer of cross-linked polyvinyl alcohol.
Claim 2
Dependent Claim
17 words
A transparent ink jet recording sheet comprising a transparent support carrying a layer of cross-linked polyvinyl alcohol.
Claim 3
Dependent Claim
14 words
The product of claim 1 wherein said cross-linked polyvinyl alcohol is borated polyvinyl alcohol.
Claim 4
Dependent Claim
14 words
The product of claim 1 wherein said polyvinyl alcohol is cross-linked with chromium chloride.
Claim 5
Dependent Claim
11 words
The product of claim 1 wherein said support is polyethylene terephthalate.
Claim 6
Dependent Claim
22 words
The product of claim 1 wherein said layer includes up to 0.2% by weight particulate material less than 30 micrometers in size.
Claim 7
Dependent Claim
11 words
The product of claim 5 wherein said particulate material is silica.
Claim 8
Dependent Claim
12 words
The product of claim 5 wherein said particulate material is glass beads.
Claim 9
Dependent Claim
12 words
The product of claim 1 wherein said layer includes an ethoxylated surfactant.
Claim 10
Dependent Claim
12 words
The product of claim 8 wherein said surfactant is nonylphenoxypoly (ethylenloxy) ethanol.
Claim 11
Independent Claim
42 words
The method of ink jet printing which comprises contacting a transparent recording sheet with at least one stream of ink droplets generated from an ink jet printer, wherein said recording sheet comprises a transparent support carrying a layer of cross-linked polyvinyl alcohol.
Claim 12
Independent Claim
42 words
The method of ink jet printing which comprises contacting a transparent recording sheet with at least one stream of ink droplets generated from an ink jet printer, wherein said recording sheet comprises a transparent support carrying a layer of cross-linked polyvinyl alcohol.
Claim 13
Dependent Claim
14 words
The method of claim 10 wherein said cross-linked polyvinyl alcohol is borated polyvinyl alcohol.
Claim 14
Dependent Claim
14 words
The method of claim 10 wherein said polyvinyl alcohol is cross-linked with chromium chloride.
Claim 15
Dependent Claim
22 words
The method of claim 10 wherein said layer includes up to 0.2% by weight particulate material less than 30 micrometers in size.
Claim 16
Dependent Claim
11 words
The method of claim 10 wherein said support is polyethylene terephthalate.
Claim 17
Dependent Claim
12 words
The method of claim 10 wherein said layer includes an ethoxylated surfactant.
Claim 18
Dependent Claim
12 words
The method of claim 15 wherein said surfactant is nonylphenoxypoly (ethylencoxy) ethanol.
Claim 19
Independent Claim
40 words
The method of forming a transparent recording sheet adapted to receive an image formed from ink droplets generated by an ink jet printer which comprises coating a transparent support with a layer of polyvinyl alcohol and cross-linking said polyvinyl alcohol.
Claim 20
Independent Claim
40 words
The method of forming a transparent recording sheet adapted to receive an image formed from ink droplets generated by an ink jet printer which comprises coating a transparent support with a layer of polyvinyl alcohol and cross-linking said polyvinyl alcohol.
Claim 21
Dependent Claim
17 words
The method of claim 17 wherein said polyvinyl alcohol is cross-linked prior to coating on said support.
Claim 22
Dependent Claim
16 words
The method of claim 17 wherein said polyvinyl alcohol is cross-linked subsequent to forming said layer.
Claim 23
Dependent Claim
15 words
The method of claim 17 wherein said layer of polyvinyl alcohol includes an ethoxylated surfactant.
Claim 24
Dependent Claim
16 words
The method of claim 17 wherein said layer includes up to 0.2% by weight particulate material.
Claim 25
Dependent Claim
11 words
The method of claim 17 wherein said polyvinyl alcohol is borated.
Claim 26
Dependent Claim
20 words
The method of claim 22 wherein a boron compound is added to said polyvinyl alcohol prior to forming said layer.
Claim 27
Dependent Claim
20 words
The method of claim 22 wherein a solution of a boron compound is added to said layer of polyvinyl alcohol.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |