Patent Assignment
Reel/Frame 025581/0088
Assignment of Assignor's Interest
Recorded: 2011-01-04
Received: 2011-01-04
Pages: 4
Assignor
TOUTCHKINE, ALEXEI
Executed: 2010-12-21
Assignee
SIGMA-ALDRICH CO.
3050 SPRUCE STREET, ST. LOUIS, MO, 63103, UNITED STATES
Covered Property
(1)
Oxazine Dyes with Improved Aqueous Solubility
Application:
12/993,121 →