# US 12,016,756 B2 · Ultrathin absorbent hygienic pads > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,016,756 B2 - Document ID: US12016756B2 - Status: Granted - Kind: B2 - Application number: 16/955,016 - Filed: 2018-12-18 - Published: 2020-12-03 - Granted: 2024-06-25 - Earliest claimed: 2017-12-19 - Assignees: Lyv Life, Inc. - Applicants: LYV Life, Inc. - Inventors: Morgen Newman; Molly Hayward - Web page: https://patentgrep.com/patent/US12016756B2 ## CPC - A61F 13/15203: {Properties of the article, e.g. stiffness or absorbency (chemical aspects A61L15/00)} - A61F 13/472: specially adapted for female use - A61F 13/4704: {having preferential bending zones, e.g. fold lines or grooves} - A61F 13/51108: {the top sheet having corrugations or embossments having one axis relatively longer than the other axis, e.g. forming channels or grooves in a longitudinal direction} - A61F 13/532: inhomogeneous in the plane of the pad - A61F 13/5514: {each item packaged single} - A61F 13/51113: {comprising an additive, e.g. lotion or odour control (A61F13/51108 takes precedence)} - A61F 2013/530481: {having superabsorbent materials, i.e. highly absorbent polymer gel materials} - A61F 2013/53908: {with adhesive} - A61F 2013/53991: {by ultrasonic method} - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) ## Abstract Ultrathin absorbent hygienic pads comprising a top layer, a middle absorbent layer, and a bottom layer and comprising one or more channels anchored from the top layer through the middle absorbent layer and into the bottom layer are provided. The ultrathin absorbent hygienic pads provided can be used to absorb bodily fluids. ## Claims ### Claim 1 An absorbent article comprising: a top layer; a middle absorbent layer; and a bottom layer; wherein the top layer comprises one or more channels bonded to the top layer, the middle absorbent layer, and the bottom layer; wherein the top layer comprises a non-woven spun sheet bound to an aperture layer; wherein the middle absorbent layer comprises a fluid drawing material and a fluid storage material; wherein the one or more channels penetrate to a depth of no more than 50% of a thickness of the absorbent article: wherein the absorbent article has a thickness of no more than one millimeter. ### Claim 2 (depends on 1) The absorbent article of claim 1, wherein the one or more channels are bonded via ultrasonic welding from the top layer through the middle absorbent layer and into the bottom layer. ### Claim 3 (depends on 2) The absorbent article of claim 2, comprising two or more channels that are uniformly distributed across the absorbent article to absorbs fluids in a longitudinal direction of the absorbent article increasing the absorption rate of the pad wherein 76% of absorbent article has come into contact with fluid when 45 millimeters of fluid is applied to the absorbent article. ### Claim 4 (depends on 3) The absorbent article of claim 3, wherein the top layer and the middle absorbent layer are bonded together with an adhesive. ### Claim 5 (depends on 4) The absorbent article of claim 4, wherein the aperture layer comprises a plurality of holes. ### Claim 6 (depends on 1) The absorbent article of claim 1, wherein the fluid drawing material comprises electrospun nanofibers, which contain superabsorbent material packets throughout. ### Claim 7 (depends on 1) The absorbent article of claim 1, wherein the fluid storage material comprises superabsorbent polymer. ### Claim 8 (depends on 1) The absorbent article of claim 1, wherein the one or more channels are arranged such that a distance from a midline of the absorbent article to the one or more channels varies along a length of the one or more channels. ### Claim 9 (depends on 1) The absorbent article of claim 1, wherein the absorbent article has a thickness of no more than one millimeter. ### Claim 10 (depends on 1) The absorbent article of claim 1, wherein the bottom layer comprises an adhesive region on a side opposite to a side in contact with the middle absorbent layer. ### Claim 11 (depends on 10) The absorbent article of claim 10, wherein the adhesive region on a side opposite to a side in contact with the middle absorbent layer is in contact with the wrapper element. ### Claim 12 (depends on 11) The absorbent article of claim 11, wherein the absorbent article is folded such that the folded absorbent article is completely enclosed by the wrapper element. ### Claim 13 (depends on 1) The absorbent article of claim 1, wherein the absorbent article is a menstrual pad about 155 millimeters long and about 60 millimeters wide. ### Claim 14 (depends on 1) The absorbent article of claim 1, wherein the absorbent article is a menstrual pad about 305 millimeters long and about 85 millimeters wide. ### Claim 15 (depends on 1) The absorbent article of claim 1, wherein the absorbent article is a bladder liner about 200 millimeters long and about 90 millimeters wide at one end and 65 millimeters wide at an opposite end.