Graft copolymers with grafted polymeric arms, their preparation and use
US9982161B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Feb 14, 2012 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Aug 23, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D151/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A graft copolymer composition including: a polymeric backbone derived from a plurality polymerizable ethylenically unsaturated monomers; and a plurality of polymeric arms attached pendant to the polymeric backbone. The polymeric arms include: (a) at least two different polymeric arms comprising: a condensation copolymer arm and a random copolymer arm, (b) a polymeric arm having segments of (i) a condensation copolymer segment and (ii) a random copolymer segment, wherein said condensation copolymer segment and random copolymer segment are linked to each other; (c) or combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.