Patent Assignment
Reel/Frame 043145/0928
Assignment of Assignor's Interest
Recorded: 2017-07-11
Pages: 6
Assignor
PROTHERICS MEDICINES DEVELOPMENT LIMITED
Executed: 2017-07-10
Assignee
BTG INTERNATIONAL LIMITED
5 FLEET PLACE, LONDON, EC4M 7RD, UNITED KINGDOM
Covered Properties
(4)
Polymer Blends That Swell in an Acidic Environment and Deswell in a Basic Enivronment
Patent:
6,537,584 →
Application:
09/710,403 →
Pla/Plga Oligomers Combined with Block Copolymers for Enhancing Solubility of a Drug in Water
Polymer Blends That Swell in an Acidic Environment and Deswell in a Basic Environment
Polymer Blends That Swell in an Acidic Environment and Deswell in a Basic Environment
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Nov 19, 2009
From: NOVARTIS PHARMA AG
To: NOVARTIS AG
Reel/Frame 023545/0381 →
Assignment of Assignor's Interest
May 18, 2017
From: ZENTNER, GAYLEN M.; BARK, JONG-SEOK; LIU, FENG
To: MACROMED, INC.
Reel/Frame 042428/0093 →
Merger
Jun 1, 2017
From: PROTHERICS SALT LAKE CITY, INC.
To: BTG INTERNATIONAL INC.
Reel/Frame 042555/0811 →
Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 042555 Frame: 0811. Assignor(S) Hereby Confirms the Assignment .
Jun 16, 2017
From: PROTHERICS SALT LAKE CITY, INC.
To: PROTHERICS MEDICINES DEVELOPMENT LIMITED
Reel/Frame 042837/0001 →