Association product of amino functional hydrophobic polymers with hydrophilic polymers containing acid groups, methods of preparation, and applications for employing the same
US9243142B2 · kind B2 · utility
2Cited by
13References
12Claims
0Family size
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Key dates
| Filing date | Nov 16, 2011 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Apr 3, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2650/50
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is provided herein a composition comprising the non-covalent bonded reaction product of a hydrophilic polymer containing an acid functional group and a hydrophobic polymer which contains an amine group bound directly to the hydrophobic polymer backbone; and, optionally a diluent, as well as a process of making such a composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.