Patent · US Expired

Laser-markable plastics

US6545065B2 · kind B2 · utility

10Cited by

11References

17Claims

0Family size

Assignee

MERCK PATENT GESELLSCHAFT MIT BESHRANK TER HAFTUNG · DE

Inventors

Hans-Jürgen Solms · Pfungstadt, DE
Manfred Kieser · Darmstadt, DE

Key dates

Filing date	Jan 4, 1999
Grant date	Apr 8, 2003
Priority date	—
Expiry date	Jan 4, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K9/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to laser-markable plastics of which a feature is that they include, as absorber material, a mixture of pearl luster pigments and/or non-lustrous metal oxide-coated mica pigments and inorganic platelet-form substrates.

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