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US 4,529,654 AGranted
Support for transfer images or slide-off images
AssigneeHoffman & Engelmann AG
InventorHenner Drum
Life of this patent
Estimating the term…
Abstract
A support is disclosed for transfer images or slide-off images, composed of absorbent paper with an applied barrier layer and a water-soluble separation layer for receiving an image layer, whereby the separation layer applied to said support comprises a homo- or co-polymer of acrylic acid and/or a copolymer of alkylvinyl ether and maleic acid anhydride.
Claims8
A support for transfer images or slide-off images, comprising:
- an absorbent paper base layer;
- a barrier layer applied to one side of the paper base layer;
- and
- a water-soluble separation layer applied to the barrier layer, wherein the separation layer comprises a mixture of a methylvinyl ether/maleic acid anhydride copolymer and dextrin.
1 more element
A support for transfer images or slide-off images, comprising:
- an absorbent paper base layer;
- a barrier layer applied to one side of the paper base layer;
- and
- a water-soluble separation layer applied to the barrier layer, wherein the separation layer comprises a copolymer of alkylvinyl ether and maleic acid anhydride.
1 more element
Dependencies are inferred from the claim text.