Water-absorbent edge-modified-clay linked polymers
US9574023B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2011 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Dec 21, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2300/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An aqueous acidic polymerization liquid comprising polymerizable monomers or oligomers with carboxylate and/or carboxylic acid moiety or moieties, and edge modified clay that is homogenously dispersable in said liquid is provided, and also methods for making such liquids, and also edge-modified-clay linked water-absorbing polymers made by with said liquids and methods, and disposable absorbent articles comprising such edge-modified-clay linked water-absorbing polycarboxylate/polycarboxylic acid polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.