Developer sheet for forming high density images
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United States of America Patent
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Jul 23, 1991
Issued Date -
N/A
app pub date -
Jan 10, 1991
filing date -
Apr 19, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A developer sheet useful in forming images having a high density comprising a support having front and back surfaces; and a developer layer coated from a solution on said front surface, said developer layer comprising a particulate reactive material being capable of reacting with a substantially colorless chromogenic material upon contact and generating an image, a binder material, and a viscosity increasing additive is provided. The developer sheet is particularly useful in photosensitive microencapsulated imaging systems for forming overhead transparencies.
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