Adhesive compositions with (meth)acrylic-based block copolymers
US10640690B2 · kind B2 · utility
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Key dates
| Filing date | Mar 14, 2017 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Apr 8, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2467/005
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Adhesive compositions are provided that contain a crosslink product resulting from exposure of a (meth)acrylic-based composition to electron beam radiation, gamma ray radiation, or both. More particularly, the (meth)acrylic-based composition includes a (meth)acrylic-based diblock copolymer and an optional (meth)acrylic-based triblock copolymer. These adhesive compositions are particularly well suited for application to biological surface such as skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.