Release of Security Interest

Recorded: 2008-12-23 Pages: 13

Assignors

PFIZER INC.

Executed: 2008-11-20

NEKTAR THERAPEUTICS

Executed: 2008-11-20

Assignee

NEKTAR THERAPEUTICS

201 INDUSTRIAL ROAD, SAN CARLOS, CALIFORNIA, 94070

Covered Properties (4)

Storage of Materials

Patent: 5,098,893 →

Application: 07/479,939 →

Method and Device for Delivering Aerosolized Medicaments

Patent: 5,458,135 →

Application: 07/910,048 →

Intrapulmonary Delivery of Polypeptide Growth Factors and Cytokines

Patent: 6,099,517 →

Application: 08/128,058 →

Method and Apparatus for Dispersion of Dry Powder Medicaments

Patent: 5,785,049 →

Application: 08/309,691 →

Related Assignments (1)

Other recorded transfers of the patents in this record — the chain of ownership.