Methods and compositions related to laser sensitive pigments for laser marking of plastics
US6706785B1 · kind B1 · utility
66Cited by
29References
37Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 18, 2000 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Feb 18, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09C2210/60
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.