US3857718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-sensitive transfer coating
Assignee: JBS USA LLC
•
Filing: 1972-05-24
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Granted: 1974-12-31
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Expires: 1992-05-24
Abstract
Abstract The invention provides a record material sensitized with acidic electron acceptors and a dye transfer layer containing a dye adsorbed onto the lattice of a hydrophobic powder which prevents unwanted migration of dye and cold flow of the transfer layer.
Inventors
- 👤 J Shank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:27
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/132
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
95 words
IN A PROCESS FOR THE MANUFACTURE OF TRANSFER SHEET COATING COMPOSITIONS CONTAINING DYE, PLASTICIZER AND A HYDROPHOBIC POWDER WHEREIN THE DYE IS ADSORBED ONTO THE LATTICE OF A HYDROPHOBIC POWDER WHICH PREVENTS UNWANTED MIGRATION OF DYE AND COLD FLOW OF THE TRANSFER LAYER FORMED FROM THE COATING COMPOSITION, THE IMPROVEMENT COMPRISING FIRST ADDING THE DYE TO AN ESTER-TYPE PLASTICIZER AND INTIMATELY AGITATING THE RESULTING SOLUTION WITH A SILICA POWDER SO THAT THE DYE AND PLASTICIZER AND ADORBED ON THE LATTICE OF THE SILICA POWDER PRIOR TO THE SAID COATING COMPOSITION BEING COMBINED WITH A AGENT.
Claim 2
Dependent Claim
95 words
IN A PROCESS FOR THE MANUFACTURE OF TRANSFER SHEET COATING COMPOSITIONS CONTAINING DYE, PLASTICIZER AND A HYDROPHOBIC POWDER WHEREIN THE DYE IS ADSORBED ONTO THE LATTICE OF A HYDROPHOBIC POWDER WHICH PREVENTS UNWANTED MIGRATION OF DYE AND COLD FLOW OF THE TRANSFER LAYER FORMED FROM THE COATING COMPOSITION, THE IMPROVEMENT COMPRISING FIRST ADDING THE DYE TO AN ESTER-TYPE PLASTICIZER AND INTIMATELY AGITATING THE RESULTING SOLUTION WITH A SILICA POWDER SO THAT THE DYE AND PLASTICIZER AND ADORBED ON THE LATTICE OF THE SILICA POWDER PRIOR TO THE SAID COATING COMPOSITION BEING COMBINED WITH A AGENT.
Claim 3
Dependent Claim
11 words
The coating composition produced according to the process of claim 1.
Claim 4
Dependent Claim
14 words
The process of claim 1 wherein the silica powder is a microfine, precipitated silica.
Claim 5
Dependent Claim
15 words
The process of claim 1 wherein the plasticizer is an ester of a dibasic acid.
Claim 6
Dependent Claim
11 words
The process of claim 1 wherein the plasticizer is dioctyl phthalate.
Claim 7
Dependent Claim
15 words
The process of claim 1 wherein the dye is a leucoauramine and/or a triarylmethane lactone.
Claim 8
Dependent Claim
13 words
The process of claim 1 wherein the plasticizer is an epoxidizedfatty acid ester.
Claim 9
Dependent Claim
42 words
The process of claim 1 wherein the dye is selected from the group consisting of 4 (bis (p-dimethyl aminophenyl) methyl)morpholine and 4 (bis (p-dimethyl aminophenyl) methyl)pyrrolidine, the ester is a dialkyl ester of phthalic acid and the silica is a precipitated silica.
Claim 10
Dependent Claim
11 words
A coating composition produced according to the process of claim 8.
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) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |