Amphiphilic block copolymer, polymer-containing composition containing the same, and method and apparatus for applying liquid using the polymer-containing composition
US7601790B2 · kind B2 · utility
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Key dates
| Filing date | Jan 14, 2005 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | Sep 10, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/54
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An amphiphilic block copolymer having an ionic functional group, wherein the ratio (N10/N5) of a rotational viscosity (N10) of a 10% by mass solution of the copolymer in purified water to a rotational viscosity (N5) of a 5% by mass solution of the copolymer in purified water is 2.5 or lower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.