Fiber products
US8900414B2 · kind B2 · utility
13Cited by
46References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 21, 2008 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Oct 3, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Fiber products, comprising in their body at least 20% by weight of cellulose fibers, and adequate amounts of an acid and a cationic retention aid for the acid, can be marked by means of a laser beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.