Process for producing three-dimensional patterns in liquid-crystalline coatings
US9796209B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | May 15, 2013 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Jul 4, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24479
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention relates to a method for producing three-dimensional macroscopic patterns in liquid-crystalline coatings, patterned layers containing liquid-crystalline materials and produced by said method, and the use thereof in decorative and security products. In the method, the liquid-crystalline coating in a non-solidified state is brought into contact with a printing form for a relief printing method, with the result that depressions which are not deeper than 10 μm arise in the coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.