D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
9/42
D21H 17/24 (2006.01)
Patent
CA 1098658
26,140 TITLE OF THE INVENTION USE OF CHITOSAN IN CORRUGATING MEDIUM ABSTRACT Chitosan is used to improve the flat crush resistance of corrugating medium. A solution of chitosan in dilute acid is added to corrugating medium pulp con- taining at least about 0.05%, based on the dry fiber weight, of spent semichemical pulping liquor. The corrugating medium pulp is then formed into corrugating medium sheets, dried and manufactured into corrugating medium.
290016
American Cyanamid Company
Smart & Biggar
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