Bleed resistant, oil-extended olefin block copolymer composition with precipitated silica
US9034972B2 · kind B2 · utility
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5References
10Claims
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Key dates
| Filing date | Dec 14, 2011 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Dec 14, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are oil-extended olefin block copolymer compositions with precipitated silica. The precipitated silica reduces oil-bleed while maintaining composition softness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.