EP0191617A2
Expired / Lapsed
EP
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Pressure-sensitive recording sheet
Assignee: Appvion LLC
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Filing: 1986-02-10
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Granted: —
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Expires: 2006-02-10
Abstract
Abstract A pressure sensitive recording material wherein a support carries first and second coatings each comprising discrete cells of liquid , the second coating, away from the support, but not the first, having cells wherein the liquid contains a color former.
Inventors
- 👤 Robert W. Sandberg
- 👤 Bruce W. Brockett
- 👤 Kristi A. Blythe
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 20:22
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/165; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
67 words
A pressure sensitive recording material which comprises a support, a first coating carried on said support, and a second coating carried on said first coating and in which each of said coatings comprises discrete cells that contain a liquid released upon application of pressure, the cells of the second coating but not those of the first having a color former in solution in the liquid contained therein.
Claim 2
Dependent Claim
67 words
A pressure sensitive recording material which comprises a support, a first coating carried on said support, and a second coating carried on said first coating and in which each of said coatings comprises discrete cells that contain a liquid released upon application of pressure, the cells of the second coating but not those of the first having a color former in solution in the liquid contained therein.
Claim 3
Dependent Claim
32 words
A recording material according to claim 1 wherein the coatings comprise microcapsules constituting said cells, the microcapsules of the first coating being of smaller mean particle size than those of the second.
Claim 4
Dependent Claim
24 words
A recording material according to claim 1 or 2 wherein the first coating comprises microcapsules constituting said cells and bound by a latex-derived binder.
Claim 5
Dependent Claim
25 words
A recording material according to claim 1, 2 or 3 wherein the second coating, but not the first, comprises parficulate starch or other stilt material.
Claim 6
Dependent Claim
24 words
A recording material according to any preceding claim wherein the liquid in at least the cells of the first coating is an aliphatic hydrocarbon.
References Cited (Backward Citations)
No citation records indexed.
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