Radiation imagery chemistry: process – composition – or product th – Stripping process or element – Forming nonplanar image
Patent
1988-12-14
1990-05-15
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Stripping process or element
Forming nonplanar image
430292, 430256, 430293, 430559, 430358, 430404, 430950, G03C 1106, G03C 176
Patent
active
049257676
ABSTRACT:
Process for controlling the visual appearance of an image present on a permanent support in the form of a hydrophilic colloid layer, layer system or relief pattern by the transfer of a continuous non-photosensitive layer from a temporary support onto said permanent support either before or after said image is formed thereon, which comprise by pre-wetting the permanent support either image-free or with said image already thereon, containing the pre-wetted support with said continuous layer carried on the temporary support, and stripping off the temporary support to leave the continuous layer adhering on the permanent support, said continuous layer being non-photosensitive and contains hardened gelatin, the gelatin being applied at a coverage of at most 20 g/m2 and having a degree of hardening corresponding with that achieved by the addition of at least 0.001 g of formaldehyde per gram of gelatin.
REFERENCES:
patent: 1989017 (1929-07-01), Neumann
Daems Eddie R.
Leenders Luc H.
Agfa-Gevaert N.V.
Chea Thorl
Daniel William J.
Michl Paul R.
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