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Partha NANDI
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East Lansing, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Method for deprotecting aryl or alkyl sulfonamides of primary or se...
Patent number
8,263,808
Issue date
Sep 11, 2012
Signa Chemistry, Inc.
Michael Lefenfeld
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Lithium-porous metal oxide compositions and lithium reagent-porous...
Patent number
8,197,707
Issue date
Jun 12, 2012
Signa Chemistry LLC
Michael Lefenfeld
C07 - ORGANIC CHEMISTRY
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last 30 patents
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Patent Application
LITHIUM-POROUS METAL OXIDE COMPOSITIONS AND LITHIUM REAGENT-POROUS...
Publication number
20140306153
Publication date
Oct 16, 2014
SIGNA CHEMISTRY, INC.
Michael LEFENFELD
C07 - ORGANIC CHEMISTRY
Information
Patent Application
LITHIUM-POROUS METAL OXIDE COMPOSITIONS AND LITHIUM REAGENT-POROUS...
Publication number
20120235084
Publication date
Sep 20, 2012
SIGNA CHEMISTRY, INC.
Michael LEFENFELD
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR DEPROTECTING ARYL OR ALKYL SULFONAMIDES OF PRIMARY OR SE...
Publication number
20090306391
Publication date
Dec 10, 2009
SIGNA CHEMISTRY, LLC
Michael Lefenfeld
C07 - ORGANIC CHEMISTRY
Information
Patent Application
LITHIUM-POROUS METAL OXIDE COMPOSITIONS AND LITHIUM REAGENT-POROUS...
Publication number
20080111104
Publication date
May 15, 2008
SIGNA CHEMISTRY, LLC
Michael LEFENFELD
C07 - ORGANIC CHEMISTRY