Radiation imagery chemistry: process – composition – or product th – Microcapsule – process – composition – or product
Patent
1987-03-27
1988-08-23
Shah, Mukund J.
Radiation imagery chemistry: process, composition, or product th
Microcapsule, process, composition, or product
430211, 430235, 430541, 430962, G03C 140, G03C 100
Patent
active
047660503
ABSTRACT:
The present invention provides a photosensitive material having a support, a layer containing opacifying agent, a layer containing microcapsules and a layer of developer material. The layer containing opacifying agent, the layer containing microcapsules and the layer of developer material are positioned such that upon rupturing the microcapsules, the color former diffuses to the developer material layer to form an image in the developer material layer. The final image is viewed against the opacifying agent.
REFERENCES:
patent: 4399209 (1983-08-01), Sanders et al.
patent: 4440846 (1984-04-01), Sanders et al.
patent: 4532200 (1985-07-01), Arney et al.
McCutcheon's 1980 Functional Materials. The Manufacturing Confectioner Publishing Co., pp. 143-145.
Shah Mukund J.
The Mead Corporation
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