Labels
US11143977B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2016 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Jan 25, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G13/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Herein is described a method of producing a printed label. The method may comprise: a. providing a label substrate having a first surface and a second surface, wherein the first and second surfaces form opposing surfaces of the label substrate; b. applying a primer comprising a cross-linkable primer resin onto the first surface of a label substrate to form a primer layer; c. electrophotographically printing onto the primer layer an electrostatic ink composition comprising a cross-linkable thermoplastic resin to form a printed layer; d. applying a cross-linking composition comprising a cross-linking agent to the printed layer, wherein the cross-linking agent penetrates into the electrostatic ink composition and the primer layer; and e. activating the cross-linking agent wherein an adhesive is present on the second surface of the label substrate in step a or applied to the second surface of the label substrate at any point in the method after step a. Printed labels are also described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.