Patent Assignment
Reel/Frame 021306/0618
Assignment of Assignor's Interest
Recorded: 2008-07-29
Pages: 5
Assignor
TOUTCHKINE, ALEXEI
Executed: 2008-07-18
Assignee
SIGMA-ALDRICH CO.
3050 SPRUCE STREET, ST. LOUIS, MISSOURI, 63103
Covered Properties
(2)
Oxazine Dyes with Improved Aqueous Solubility
Application:
61/060,381 →
Oxazine Dyes with Improved Aqueous Solubility
Application:
61/060,640 →
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.