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US 5,635,029 AGranted
Method for manufacturing an absorbent structure using sphagnum moss material
AssigneeJohnson & Johnson
InventorsYvon Levesque, Sylvaine Cote, Denis Gallagher
Life of this patent
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Abstract
An absorbent product containing sphagnum moss selected from the group of botanical sections consisting of PALUSTRIA, ACUTIFOLIA, RIGIDA, SUBSECUNDA and CUSPIDATA. The invention also extends to a novel method for manufacturing a highly absorbent structure and to a method for evaluating the liquid absorbent properties of a sphagnum moss composition.
Claims10
A method for manufacturing a highly absorbent, structurally integral sheet comprising the steps of:
- providing a starting material containing particles of sphagnum moss plants that belong to at least two botanical sections selected from the group consisting of PALUSTRIA, ACUTIFOLIA, RIGIDA, SUBSECUNDA and CUSPIDATA, said sphagnum moss having a Von Post value in the range from about 1 to about 3, said starting material having a performance index in the range from about 1 to less than 4;
- and
- forming said starting material into a structurally integral sheet.
Dependencies are inferred from the claim text.