| PATENT ASSIGNEE'S COUNTRY | Italy |
| UPDATE | 03.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Process for continuously controlling the pH of process water in graphic art printing process to required pH value - Removing impurities from process water - Reducing surface tension of purified water - Controlling pH of water to obtain purified & pH adjusted water, wherein controlling comprises adding an acid or basic aq soln to water until pH is adjusted to required value when pH value of water differs from required value - Feeding the said water to graphic art printing process - Maintaining the acidity or alkalinity of the acid or basic aq soln to be added to water at a constant level by means of ion exchange resin - Repeating above steps |
| PATENT PHOTOCOPY | Available on request |
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