🇺🇸 FDA
Patent

US 6044981

Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters

expired A61KA61K9/0024A61K9/0097

Quick answer

US patent 6044981 (Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters) held by The Regents of the University of California expires Mon Mar 30 2020 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.

Key facts

Applicant
The Regents of the University of California
Grant date
Tue Apr 04 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Mar 30 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
24
CPC classes
A61K, A61K9/0024, A61K9/0097