Block copolymer melt-processable compositions, methods of their preparation, and articles therefrom
US6806320B2 · kind B2 · utility
47Cited by
11References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2002 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Nov 19, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described are melt-processable block copolymers and compositions, embodiments of which may be useful in applications such as pressure sensitive adhesive (PSA) or heat-activatable adhesive, comprising polymeric end block and polymeric B block, wherein end block comprises copolymer and the B block comprises homopolymer or copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.