Methods for marking fibrous substrates
US7662873B2 · kind B2 · utility
0Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2004 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Feb 11, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/22
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to the preparation of fibrous substrates, including textiles, marked with colloidal particle nanobar codes, to the fibrous substrates so prepared, and to methods for detecting the nanobar codes on the fibrous substrates for use in quality control, counterfeiting, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.