Multilayer adhesive tape
US11725126B2 · kind B2 · utility
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3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2018 |
| Grant date | Aug 15, 2023 |
| Priority date | — |
| Expiry date | Jun 24, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2433/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is a multilayer adhesive tape having excellent step coverage and reworkability. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which the intermediate adhesive layer includes an intermediate adhesive polymer including: a polymerization unit of an alkyl group-containing (meth)acrylate monomer; a polymerization unit of a carboxyl group-containing monomer; and a polymerization unit of an acrylamide-based monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.