Lastra S.p.a.

Roberto Bernardini

Angelo Bolli

Domenico Tiefenthaler

A heat-sensitive composition of the positive type comprising a polymeric binder and a solubility inhibitor, wherein the said solubility inhibitor consists of an organometallic compound, with the exclusion of the metallocenes, an organic salt or an organic complex of an inorganic salt of a metal belonging to the group IIIA or transition group of the periodic system of the elements.

Composition sensitive to IR radiation and to heat and lithographic plate coated therewith

A heat-sensitive composition of the positive type comprising a polymeric binder and a solubility inhibitor, wherein the said solubility inhibitor is a hydroxylated acrylic polymer, a hydroxylated acrylic copolymer or of a derivative thereof wherein some hydroxyl groups have been esterified by a carboxylic acid or a reactive derivative thereof.

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Pianoro, Italy

Roberto Bernardini