Roll body of band-like patch
US8951621B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2012 |
| Grant date | Feb 10, 2015 |
| Priority date | — |
| Expiry date | Oct 6, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1476
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is a roll body of a band-like patch that can be held in a roll-like form without causing deviated rolling or unrolling, and can allow simple pulling out of a patch without causing stickiness on a person's hand or fingers when being pulled out. In the roll body of a band-like patch formed by rolling a band-like patch including a cloth support, a pressure-sensitive adhesive layer, and a release liner laminated in this order, at least one temporary attachment region in which a temporary attachment layer is formed and at least one grip region in which no temporary attachment layer is formed are provided at an interface between a back face of the cloth support and a back face of the release liner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.