Patent · US Active

Marking comprising a printable code and a chiral liquid crystal polymer layer

US9579922B2 · kind B2 · utility

1Cited by

12References

25Claims

0Family size

Assignee

SICPA HOLDING SA · CH

Inventors

Eric Decoux · Vevey, CH
Tristan Jauzein · Lausanne, CH

Key dates

Filing date	Jul 9, 2014
Grant date	Feb 28, 2017
Priority date	—
Expiry date	Mar 28, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2019/3408
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

Disclosed is a marking for an article, item or substrate. The marking comprises a printable code, at least a part of which is covered by a chiral liquid crystal polymer (CLCP) layer, and further preferably including an intermediate layer including a distribution of flakes, to provide readable information of at least two different types on the article.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.