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US 12,303,369 B2Granted
Absorbent laminates, absorbent cores and disposable articles utilizing the absorbent laminates, and related methods
AssigneeAttends Healthcare Products, Inc.
InventorsPaul M. Ducker, Harry J. Chmielewski
Life of this patent
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Abstract
Absorbent multi-layer laminates with SAP on both sides of a middle substrate that comprises wettable cellulosic fibers. Also absorbent cores including such absorbent laminates. Absorbent articles such as protective underwear, adult briefs, baby diapers and nursing pads including such absorbent cores, and patient-support pads such as underpads and sacral pads including such absorbent laminates and cores.
Claims20
An absorbent laminate comprising:
- a first sublayer comprising super-absorbent polymer (SAP) particles and an adhesive supporting the SAP particles in a porous matrix;
- a second sublayer comprising SAP particles and an adhesive supporting the SAP particles in a porous matrix;
- and
- a third sublayer disposed between, and bonded to each of, the first and second layers, wherein the third sublayer is not itself a laminate, and wherein the third sublayer comprises a nonwoven web having a basis weight of from 6 gsm to 80 gsm,
- wherein the basis weight of the SAP particles of the first sublayer is different than the basis weight of the SAP particles of the second sublayer,
- wherein the SAP particles of one of the first sublayer or the second sublayer have a basis weight of from 20 grams per square meter (gsm) to 80 gsm, and
- wherein the SAP particles of the other of the first sublayer or the second sublayer have a basis weight of less than 50 gsm.
4 more elements
Dependencies are inferred from the claim text.