| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 12.99 |
| PATENT ASSIGNEE | Polaroid (Cambridge; Mass) |
| PATENT CLAIMS |
Precursor element comprising sequentially - Affinity or aversion to printing ink - Substrate - Photosensitive layer capable of imagewise photohardened upon imagewise exposure to actinic radiation - Overcoat contg polyphosphate salt made by water deple tion of an orthophosphate & being photoinsensitive |
| PATENT PHOTOCOPY | Available on request |
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