US 6500539
Anti-adhesion cellulose acetate wound dressing
expired A61PA61P31/04
Quick answer
US patent 6500539 (Anti-adhesion cellulose acetate wound dressing) held by The Regents of the University of California expires Mon Dec 26 2022 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- The Regents of the University of California
- Grant date
- Tue Dec 31 2002 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Dec 26 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 13
- CPC classes
- A61P, A61P31/04