Laser marking method
US7264916B2 · kind B2 · utility
10Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2002 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Jun 4, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3275
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of colouring a polymeric material containing a) a latent acid, b) a color former and c) optionally further ingredients by irradiation with UV-light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.