Title:
METHODS AND COMPOSITIONS RELATED TO LASER SENSITIVE PIGMENTS FOR LASER MARKING OF PLASTICS
Document Type and Number:
WIPO Patent Application WO2001060628
Kind Code:
A3
Abstract:
Platelet-shaped substrates that are coated with metal oxides and that are useful in the laser marking of plastics are disclosed. The platelet-shaped substrates may be employed as an additive to plastic for laser marking of a wide variety of plastics and for use with a number of different laser types.
Inventors:
FU GUOYI (US)
Application Number:
PCT/US2001/004962
Publication Date:
February 28, 2002
Filing Date:
February 16, 2001
Export Citation:
Assignee:
RONA EM IND INC (US)
FU GUOYI (US)
FU GUOYI (US)
International Classes:
B41M5/26; C09C1/00; (IPC1-7): B41M5/26
Foreign References:
| GB974874A | 1964-11-11 | |||
| US5630979A | 1997-05-20 | |||
| DE4415802A1 | 1995-11-09 |
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