PATENT ASSIGNEE'S COUNTRY | Italy |
UPDATE | 11.99 |
PATENT ASSIGNEE | Ausimont SPA |
PATENT CLAIMS |
Process for mfg paper & paperboard starting from cellulose pulp stock - Prepg water soluble natural starch soln by heating starch aq suspension to T > gelatinization T of starch itself, thus obtaining starch water - Dissolving into the starch water at 15-160C for 1-20 min, an Al polychloride: (Al)a(OH)b(Cl)c(SO4)d; c = 3a-b-2d; b/3a = 0.2-0.8 & d/a = 0.005-0.5 - Feeding mixt into cellulose pulp stock used for paper mfg |
PATENT PHOTOCOPY | Available on request |
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