Nanogels for delayed gelation
US9796909B2 · kind B2 · utility
3Cited by
11References
9Claims
0Family size
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Key dates
| Filing date | Dec 30, 2013 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Jul 2, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L5/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The instant application relates to nanogels or compositions that hold multivalent metal ions until some level of nanogel degradation has occurred, then slowly release the multivalent metal ions for gelation with carboxylate containing polymers. Compositions comprising such nanogels, together with polymers that can be crosslinked with multivalent metal ions, allow the deployment of such mixtures in various applications, and greatly increased gelation times.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.