Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1974-12-09
1976-05-11
Padgett, Benjamin R.
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
8108A, 81156, 106197C, 162 73, 252 95, 252187H, C11D 3395, D06L 308, D21C 914
Patent
active
039561658
ABSTRACT:
The present invention is directed to pulp bleaching processes, and in particular compositions for use in the bleaching process to enhance the efficiency of the process. It was discovered that if a low molecular weight water soluble polymer of acrylic acid, or water soluble salt thereof was added either alone or together with a carboxymethyl cellulose to the bleaching solution, that less bleaching solution was required.
REFERENCES:
patent: 3393153 (1968-07-01), Zimmerer et al.
patent: 3606989 (1971-09-01), Park
patent: 3666680 (1972-05-01), Briggs
patent: 3748220 (1973-07-01), Gard
Davis Philip S.
Hansen Gerald D.
Varney Elizabeth G.
Betz Laboratories Inc.
Gluck Irwin
Padgett Benjamin R.
Ricci Alexander D.
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