C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 31/30 (2006.01) B41N 1/00 (2006.01) C08G 61/12 (2006.01) G03F 7/021 (2006.01)
Patent
CA 2120404
- 1 - "Photosensitive polycondensation compound for negative lithographic plates." ABSTRACT Process for preparing a photosensitive polycondensation compound in the presence of condensing medium which is a mixture containing from 30 to 5 parts by weight of 98% aqueous methanesulfonic acid and from 70 to 95 parts by weight of 85% aqueous phosphoric acid, respectively. Thus obtained polycondensation compound and printing plates containing it.
Canestri Giuseppe
de Candido Stefano
Lastra S.p.a.
Riches Mckenzie & Herbert Llp
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