US 9890487
Liquid-retaining sheet and facial mask
granted A61KA61K8/0212
Quick answer
US patent 9890487 (Liquid-retaining sheet and facial mask) held by KURARAY KURAFLEX CO., LTD. expires Mon Feb 08 2038 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- KURARAY KURAFLEX CO., LTD.
- Grant date
- Tue Feb 13 2018 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Feb 08 2038 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 20
- CPC classes
- A61K, A61K8/0212