Absorbent articles and methods of making
US10039856B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2015 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Jun 22, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2333/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Described herein are absorbent articles made by bonding a copolymer onto a substrate to form a core. The absorbent articles are particularly useful in personal care product, e.g., disposable hygiene products. In some embodiments, the absorbent article includes a first substrate; and a copolymer irreversibly bonded onto the first substrate to form a core, wherein the copolymer is derived from a polymerizable solution comprising: (a) a first monomer selected from a (meth)acrylic acid or salt thereof; (b) greater than 1 wt % of a second monomer, wherein the second monomer is a hydrophilic crosslinking monomer, and (c) a polymeric porogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.