Methods of marking paper products and marked paper products are provided. Some methods include irradiating the paper product to alter the functionalization of the paper.
申请公布号
US2014299789(A1)
申请公布日期
2014.10.09
申请号
US201414307922
申请日期
2014.06.18
申请人
Xyleco, Inc.
发明人
Medoff Marshall
分类号
G21K5/00
主分类号
G21K5/00
代理机构
代理人
主权项
1. A method comprising:
marking unmarked papers or paper products by exposing at least a portion of each paper or paper product to particles heavier than an electron.
