Joseph Wegner,Erin Brown,Jeffery Atkins,Paul Zinn,Robert Walicki,Lanhua Hu
申请号:
US15456903
公开号:
US20170182197A1
申请日:
2017.03.13
申请国别(地区):
US
年份:
2017
代理人:
摘要:
The present invention generally relates to fluorescent marking compositions and their use to determine whether a surface has been cleaned. More particularly, the marking compositions comprise fluorescent polymers.