Absorbent articles and methods of making

US12109097B2 · kind B2 · utility

Assignee

• ONTEX GROUP NV · BE

Inventors

• Christina LAMBERTZ · Neuwied, DE
• Ainas WEBER · Bad Neuenahr-Ahrweiler, DE
• Toon COPPEJANS · Laarne, BE
• Gezime DZAFERI · Andernach, DE
• Björn INGENFELD · Bonn, DE
• Jochen F. SCHNEIDER · Rheinbrohl, DE

Key dates

• Filing date: Mar 20, 2020
• Grant date: Oct 8, 2024
• Expiry date: Mar 20, 2040

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D10B2509/026
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An absorbent article comprising an absorbent core sandwiched between a liquid permeable topsheet and a liquid impermeable back-sheet, and an acquisition distribution system positioned between said topsheet and said absorbent core, wherein the absorbent core comprises absorbent material selected from the group consisting of cellulose fibers, superabsorbent polymers and combinations thereof, wherein said absorbent material is contained within at least one core wrap substrate enclosing said absorbent material, and wherein a top layer of said core wrap is adhered to a bottom layer of said core wrap to form one or more channels substantially free of said absorbent material, wherein said channels have a length extending along a longitudinal axis and the absorbent core has a length extending along said longitudinal axis and wherein the length of said channels is from 10% to 95% of the length of said absorbent core and wherein said channels each follow a substantially continuous path such as from a first end of a channel to a second end of the same channel wherein the acquisition distribution system is multi-layered and comprises at least one spunbond layer and at least one meltblown layer…