Patent · US Expired

Colored inscription and marking of plastics and surface coatings

US6924077B2 · kind B2 · utility

11Cited by

12References

20Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Reiner Delp · Darmstadt, DE
Matthias Kuntz · Seeheim-Jugenheim, DE

Key dates

Filing date	Jul 26, 2002
Grant date	Aug 2, 2005
Priority date	—
Expiry date	Dec 31, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S430/165
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to the colored inscription or marking of plastics and surface coatings, including powder coatings, in which a colorant is transferred into the plastic or surface coating by laser radiation with the aid of a laser light-absorbent substance.

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