Susan Bates,David Mark Haddleton,Rachel Alice Hand,Ezat Khoshdel
申请号:
US16345394
公开号:
US20190298249A1
申请日:
2017.10.11
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A method of sampling volatile malodorous materials, said method comprising the topical application of a patch comprising an absorbent hydrogel layer and a backing sheet adhering to it, the volatile malodourous materials being absorbed into the hydrogel layer and subsequently extracted from it.