Subramaniam S Sabesan from Cary, NC, age 69

Triazole Linked Carbohydrates
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US Patent:

6664399, Dec 16, 2003
Filed:

Aug 31, 2000
Appl. No.:

09/651712
Inventors:

Subramaniam Sabesan - Wilmington DE
Assignee:

E. I. du Pont de Nemours Company - Wilmington DE
International Classification:

C07D48700
US Classification:

548256, 548255, 536 172
Abstract:

Disclosed is an invention concerning triazolyloligosaccharides, oligosaccharides wherein the bonding between the saccharide groups is via a triazole group and methods for their preparation.

Triazole Linked Carbohydrates
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US Patent:

6852866, Feb 8, 2005
Filed:

Aug 15, 2003
Appl. No.:

10/641448
Inventors:

Subramaniam Sabesan - Wilmington DE, US
Assignee:

E. I. du Pont de Nemours and Company - Wilmington DE
International Classification:

C07D315/00
US Classification:

549420, 549417, 549419, 549478, 549480
Abstract:

Disclosed is an invention concerning triazolyloligosaccharides, oligosaccharides wherein the bonding between the saccharide groups is via a triazole group and methods for their preparation.

Antimicrobial Polyester-Containing Articles And Process For Their Preparation
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US Patent:

7081139, Jul 25, 2006
Filed:

Jul 25, 2002
Appl. No.:

10/205660
Inventors:

Melissa C. Joerger - Newark DE, US
Ronald F. Koniz - Greenville NC, US
Subramaniam Sabesan - Wilmington DE, US
John Pennias - Hockessin DE, US
Assignee:

E. I. du Pont de Nemours and Company - Wilmington DE
International Classification:

A61F 13/15
A61K 9/70
D01D 5/08
US Classification:

811554, 264178, 424443, 428372, 525 542, 604372
Abstract:

This invention relates to antimicrobial polyester-containing articles and methodology for the preparation of antimicrobial polyester-containing articles utilizing chitosan and chitosan-metal complexes as the antimicrobial agent.

Antimicrobial Solid Surface Materials Containing Chitosan-Metal Complexes
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US Patent:

7381715, Jun 3, 2008
Filed:

Nov 30, 2004
Appl. No.:

10/999672
Inventors:

Subramaniam Sabesan - Wilmington DE, US
Assignee:

E.I. du Pont de Nemours and Company - Wilmington DE
International Classification:

A61K 31/722
A61K 33/38
A01N 59/16
D06M 15/03
C08L 5/08
C08B 37/08
US Classification:

514 55, 514964, 424404, 424447, 424484, 811551, 1061622
Abstract:

A solid surface material with an antimicrobial agent in a thermoset and/or thermoplastic resin matrix where the antimicrobial agent comprises a chitosan-metal complex.

Chemical Synthesis Of Low Molecular Weight Polyglucosamines And Polygalactosamines
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US Patent:

7485718, Feb 3, 2009
Filed:

Jun 16, 2005
Appl. No.:

11/154457
Inventors:

Subramaniam Sabesan - Wilmington DE, US
Assignee:

E. I. du Pont de Nemours and Company - Wilmington DE
International Classification:

C08B 37/00
C07H 5/04
C07H 3/00
US Classification:

536 553, 536 551, 536 552, 536 53, 536124, 5361231, 53612313, 514 61, 514 62, 514 54
Abstract:

A process for the synthesis of beta linked low molecular weight polymers of galactosamine and glucosamine has been developed. Through the use of high amounts of activating agents, efficient coupling of stable monomers is achieved. Using this process, chain extension is through the addition of single monomers, providing populations of single chain length polyhexosamines.

Pigment Particles Coated With Polysaccharides And Having Improved Properties
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US Patent:

7601212, Oct 13, 2009
Filed:

Aug 28, 2006
Appl. No.:

11/511937
Inventors:

Subramaniam Sabesan - Wilmington DE, US
John Davis Bolt - McEwen TN, US
Assignee:

E.I. du Pont de Nemours and Company - Wilmington DE
International Classification:

C04B 14/00
C04B 16/00
C04B 16/02
C09C 1/04
C09C 1/36
C08K 3/00
C08K 5/00
D21F 11/00
A01N 43/04
A61K 31/715
A61K 8/00
A61K 8/18
A61Q 17/04
A61Q 1/02
A61Q 1/04
A61Q 5/00
A61Q 9/00
US Classification:

106416, 106401, 106419, 106425, 106429, 106430, 106431, 106436, 106450, 106499, 1065011, 106505, 162146, 1621576, 514 57, 424401, 424 59, 424 63, 424 64, 424 701
Abstract:

Processes for altering surface properties of pigment particles are provided. The processes include coating the particles with ionic natural polysaccharides or ionic derivatives of natural polysaccharides, providing enhanced properties.

Method For Making Antimicrobial Polyester-Containing Articles With Improved Wash Durability And Articles Made Thereby
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US Patent:

7629000, Dec 8, 2009
Filed:

May 10, 2004
Appl. No.:

10/842186
Inventors:

Subramaniam Sabesan - Wilmington DE, US
Assignee:

E.I. du Pont de Nemours and Company - Wilmington DE
International Classification:

A01N 25/34
US Classification:

424404
Abstract:

The invention relates to antimicrobial polyester-containing articles utilizing chitosan and chitosan-metal complexes, whose wash durability is improved by covalently bonding the chitosan species to the polyester. The invention also relates to the methods of preparing said articles.

Storage Materials For Hydrogen And Other Small Molecules
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US Patent:

7731931, Jun 8, 2010
Filed:

May 11, 2005
Appl. No.:

11/126737
Inventors:

Mark Brandon Shiflett - New Castle DE, US
Subramaniam Sabesan - Wilmington DE, US
Steven Raymond Lustig - Landenberg PA, US
Pratibha Laxman Gai - Wilmington DE, US
Assignee:

E I du Pont de Nemours and Company - Wilmington DE
International Classification:

C09C 1/56
C01B 31/00
C01B 31/08
US Classification:

423460, 423445 R, 502418
Abstract:

This invention relates to adsorbents useful for storing hydrogen and other small molecules, and to methods for preparing such adsorbents. The adsorbents are produced by heating carbonaceous materials to a temperature of at least 900 C. in an atmosphere of hydrogen.

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Subramaniam S Sabesan