Diffusion transfer products with two timing layers for productio

Details Diffusion transfer products with two timing layers for productio Diffusion transfer products with two timing layers for productio

1981-04-30

1982-11-16

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430215, 430238, G03C 140, G03C 554

Patent

active

043595170

ABSTRACT:
Image-receiving elements and photographic diffusion transfer products providing diffusion transfer transparency images are described. The image-receiving elements include a transparent support carrying, in sequence, an acid-reacting reagent; a first polymeric timing layer possessing decreasing alkaline solution permeability with increasing temperature; a second timing layer comprising cellulose acetate; and an alkaline solution-permeable and dyeable polymeric image-receiving layer comprising a graft polymer having a polymeric backbone and grafted thereto moieties which provide mordant capability. The utilization in the image-receiving elements of the aforedescribed first and second timing layers permits the provision of elements which can be effectively processed over a range of processing temperatures and which are adapted to the provision of transparencies which exhibit desired images without the distracting or otherwise objectionable image defects associated with reticulation.

REFERENCES:
patent: 3362819 (1968-01-01), Land
patent: 3753764 (1973-08-01), Haefner
patent: 3756814 (1973-09-01), Bedell
patent: 3778265 (1973-12-01), Land
patent: 4009030 (1977-02-01), Abel
patent: 4061496 (1977-12-01), Hannie et al.
patent: 4080346 (1978-03-01), Bedell

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