Wash-off label, a combination of a wash-off label and an item
US11248147B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2014 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Dec 21, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2003/0273
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a wash-off label structure and an adhesive layer comprising a pressure sensitive hot melt adhesive layer sensitive to the washing conditions. According to an embodiment the adhesive layer comprises an acrylate composition curable with ultraviolet radiation and at least one modifier selected from a tackifier, a plasticizer and a filler, and wherein the peel adhesion from the labelled surface at 50-80° C. in alkaline aqueous solution of at least 30% less than the peel adhesion at room temperature of 23° C.±2° C. and relative humidity of 50%±5%. The invention further relates to a use of the label for recyclable or reusable packages, and a combination of a package and a wash-off label.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.