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Ramamurthi Kannan
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Cincinnati, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Two-photon absorbing compounds and methods of making same
Patent number
10,113,065
Issue date
Oct 30, 2018
Loon-Seng Tan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-photon absorbing polymers based on triarylamine-benzobisthiazol...
Patent number
9,024,037
Issue date
May 5, 2015
The United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Synthesis of two-photon absorbing polyhydroxy diphenylamino-dialkyl...
Patent number
8,895,730
Issue date
Nov 25, 2014
The United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-photon absorbing cross-linked polyurethanes containing diphenyl...
Patent number
8,735,528
Issue date
May 27, 2014
The United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aromatic polyimides, polyamides and poly(amide-imide) containing di...
Patent number
8,674,057
Issue date
Mar 18, 2014
The United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,...
Patent number
8,580,958
Issue date
Nov 12, 2013
The United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-photon absorbing arylamine-endcapped and dialkylfluorene-bridge...
Patent number
8,471,035
Issue date
Jun 25, 2013
The United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-photon absorbing cross-linked polyurethanes containing delpheny...
Patent number
8,318,888
Issue date
Nov 27, 2012
The United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Two-photon absorbing diphenylaminofluorene-benzothiazole bis(aminop...
Patent number
8,153,812
Issue date
Apr 10, 2012
The United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
O-aminophenol-containing AB-monomer for heterocyclic rigid-rod poly...
Patent number
7,495,106
Issue date
Feb 24, 2009
United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermally cross-linkable two-photon chromophores
Patent number
7,319,151
Issue date
Jan 15, 2008
United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-photon absorbing chromophores containing polymerizable olefinic...
Patent number
7,067,674
Issue date
Jun 27, 2006
The United States of America as represented by the Secretary of the Air Force
Ramamurthi Kannan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photoinitiators for two-photon induced free-radical polymerization
Patent number
6,867,304
Issue date
Mar 15, 2005
The United States of America as represented by the Secretary of the Air Force
Loon-Seng Tan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-photon responsive chromophores containing electron accepting co...
Patent number
6,730,793
Issue date
May 4, 2004
The United States of America as represented by the Secretary of the Air Force
Ramamurthi Kannan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-photon responsive chromophores containing electron accepting cores
Patent number
6,555,682
Issue date
Apr 29, 2003
The United States of America as represented by the Secretary of the Air Force
Ramamurthi Kannan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multi-armed chromophores with very large two-photon absorption cros...
Patent number
6,300,502
Issue date
Oct 9, 2001
The United States of America as represented by the Secretary of the Air Force
Ramamurthi Kannan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Benzothiazole-containing two-photon chromophores exhibiting strong...
Patent number
6,100,405
Issue date
Aug 8, 2000
The United States of America as represented by the Secretary of the Air Force
Bruce A. Reinhardt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Symmetrical dyes with large two-photon absorption cross-sections
Patent number
5,859,251
Issue date
Jan 12, 1999
The United States of America as represented by the Secretary of the Air Force
Bruce A. Reinhardt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oil soluble color precursor involving certain crystalline 6-phenyl...
Patent number
5,126,233
Issue date
Jun 30, 1992
The Mead Corporation
Ramamurthi Kannan
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
SYNTHESIS OF TWO-PHOTON ABSORBING POLYHYDROXY DIPHENYLAMINO-DIALKYL...
Publication number
20140039185
Publication date
Feb 6, 2014
Government of the United States as Represented by the Secretary of the Air Force
Loon-Seng Tan
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...