Process for the production of highly water absorptive polymers
US5439993A · kind A · utility
16Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1994 |
| Grant date | Aug 8, 1995 |
| Priority date | — |
| Expiry date | Mar 31, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/42
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing a highly water absorptive polymer, including the step of polymerizing an acrylic monomer including as the main component acrylic acid and/or an alkali metal salt thereof in the presence of a salt of a metal selected from the,group consisting of Fe(II), Fe(III), Cu(II), Mn(II), VO(II), Co(II) and Ni(II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.