| PATENT ASSIGNEE'S COUNTRY | Belgium |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | Agfa-Gevaert NV |
| PATENT CLAIMS |
Correcting liquid for Ag imaged lithographic printing plate which is an aq soln having a pH 5.5-8.5 & comprising - Fe(III) complex salt of an aminopoly-carboxylic acid or a phosphonic acid or salt(s) of said acids in amount 0.07-0.7 mole/L - Extra amount of the aminopolycarboxylic acid or phospho nic acid, in range 0.02-0.2 mole/L - Sulphite or a metabisulphite (0.06 mole/L) - AgX solvent - Non-fluorinated betaine surfactant - Accelerator being an organic Het. compd having a mercap to- or thione group & not having a hydrophilic substituent besides the said mercapto or thione group, said accelera tor being present in amount: 0.04-0.4 mole/L |
| PATENT PHOTOCOPY | Available on request |
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