Solid superabsorbent material containing a poly(vinylguanidine) and an acidic water-absorbing resin
US6087448A · kind A · utility
24Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1997 |
| Grant date | Jul 11, 2000 |
| Priority date | — |
| Expiry date | Nov 19, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2810/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Poly(vinylguanidine)-based superabsorbent gels are disclosed. The superabsorbent gels either comprise a mixture of a poly(vinylguanidine) polymer and an acidic water-absorbing polymer, like polyacrylic acid, or comprise a salt of a poly(vinylguanidine) polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.