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Biodegradable Sanitary Articles with Higher Biobased Content:

U.S. Patent No. 10,500,104

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By: Karen McIntyre

Editor, Nonwovens Industry

Sadesh H. Sookraj, Cambridge, South Africa.
Assigned to Novomer, Inc., Boston, MA.

Filed: 12/6/16
Issued: 12/10/19

A biodegradable sanitary article, comprising: a) a topsheet comprising a biodegradable polyester polyol polymer with a heterogeneous dispersion of a biodegradable superabsorbent polymer retained therein, wherein the biodegradable polyester polyol polymer in the topsheet has pores impregnated with the biodegradable superabsorbent polymer; b) an absorbent core comprising a biodegradable superabsorbent polymer having an inner side positioned adjacent to and fixed with respect to the topsheet; and, c) a backsheet comprising a biodegradable poly-lactone polymer positioned adjacent to an outer side of the absorbent core and fixed with respect to the absorbent core.

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