Kannan; Ramamurthi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kannan; Ramamurthi.The latest application filed is for "synthesis of two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,5-triazine molecules".

Company Profile

0.21.1

Kannan; Ramamurthi - Cincinnati OH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Two-photon absorbing compounds and methods of making same Grant 10,113,065 - Tan , et al. October 30, 2	2018-10-30
Two-photon absorbing polymers based on triarylamine-benzobisthiazole-triarylamine quadrupolar-structure motif Grant 9,024,037 - Tan , et al. May 5, 2	2015-05-05
Synthesis of two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,5-triazine molecules Grant 8,895,730 - Tan , et al. November 25, 2	2014-11-25
Two-photon absorbing cross-linked polyurethanes containing diphenylamino-dialkylfluorene-1,3,5-triazine units Grant 8,735,528 - Tan , et al. May 27, 2	2014-05-27
Aromatic polyimides, polyamides and poly(amide-imide) containing diarylaminofluorene-benzothiazole moieties as two-photon active units Grant 8,674,057 - Tan , et al. March 18, 2	2014-03-18
Synthesis Of Two-photon Absorbing Polyhydroxy Diphenylamino-dialkylfluorene-1,3,5-triazine Molecules App 20140039185 - Tan; Loon-Seng ; et al.	2014-02-06
Two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,5-triazine molecules Grant 8,580,958 - Tan , et al. November 12, 2	2013-11-12
Two-photon absorbing arylamine-endcapped and dialkylfluorene-bridged benzobisthiazole compounds with high oleophilicity Grant 8,471,035 - Tan , et al. June 25, 2	2013-06-25
Two-photon absorbing cross-linked polyurethanes containing delphenylamino-dialkyffluorene-1,3,5-triazine units Grant 8,318,888 - Tan , et al. November 27, 2	2012-11-27
Two-photon absorbing diphenylaminofluorene-benzothiazole bis(aminophenoxy) monomers Grant 8,153,812 - Tan , et al. April 10, 2	2012-04-10
O-aminophenol-containing AB-monomer for heterocyclic rigid-rod polymers Grant 7,495,106 - Tan , et al. February 24, 2	2009-02-24
Thermally cross-linkable two-photon chromophores Grant 7,319,151 - Tan , et al. January 15, 2	2008-01-15
Two-photon absorbing chromophores containing polymerizable olefinic groups Grant 7,067,674 - Kannan , et al. June 27, 2	2006-06-27
Photoinitiators for two-photon induced free-radical polymerization Grant 6,867,304 - Tan , et al. March 15, 2	2005-03-15
Two-photon responsive chromophores containing electron accepting core units Grant 6,730,793 - Kannan , et al. May 4, 2	2004-05-04
Two-photon responsive chromophores containing electron accepting cores Grant 6,555,682 - Kannan , et al. April 29, 2	2003-04-29
Benzothiazole-containing two-photon chromophores exhibiting strong frequency upconversion Grant 6,100,405 - Reinhardt, deceased , et al. August 8, 2	2000-08-08
Symmetrical dyes with large two-photon absorption cross-sections Grant 5,859,251 - Reinhardt , et al. January 12, 1	1999-01-12

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