Heat-activatable alkali-removable labelling systems
US6610397B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Mar 20, 2001 |
| Grant date | Aug 26, 2003 |
| Priority date | — |
| Expiry date | Mar 20, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2852
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A heat-activatable, alkali-removable labelling system comprises a support portion and a transfer portion over said support portion for transfer of the transfer portion from the support portion to an article upon application of heat to the support portion while the transfer portion is placed in contact with the article. The transfer portion comprises an optional, optionally alkali-removable, organic solvent soluble acrylic protective layer; an optionally alkali-removable, organic solvent soluble ink layer over said protective layer; and an alkali-removable, heat-activatable, organic solvent soluble acrylic adhesive layer over said ink layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.