Narayanan S. Subramanian

Person

Hockessin, DE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Plastic surfaces having improved surface characteristics
- Patent number 8,722,761
- Issue date May 13, 2014
- E I du Pont de Nemours and Company
- Narayanan Sankara Subramanian
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing titanium dioxide particles having reduced chl...
- Patent number 8,114,377
- Issue date Feb 14, 2012
- E. I. Du Pont de Nemours and Company
- Alan Roger Eaton
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for treating inorganic particles via sintering of sinterabl...
- Patent number 7,799,124
- Issue date Sep 21, 2010
- E. I. Du Pont de Nemours and Company
- Narayanan Sankara Subramanian
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Preparation of organic additive-treated, pyrogenic silica-encapsula...
- Patent number 7,795,330
- Issue date Sep 14, 2010
- E. I. Du Pont de Nemours and Company
- John Nicholas Birmingham
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing titanium dioxide
- Patent number 7,476,378
- Issue date Jan 13, 2009
- E. I. DuPont DeNemours & Company
- Narayanan Sankara Subramanian
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Titanium dioxide finishing process
- Patent number 7,247,200
- Issue date Jul 24, 2007
- E. I. Du Pont de Nemours and Company
- Russell Bertrum Diemer, Jr.
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for making durable rutile titanium dioxide pigment by vapor...
- Patent number 7,029,648
- Issue date Apr 18, 2006
- E. I. Du Pont de Nemours and Company
- Narayanan Sankara Subramanian
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for making durable rutile titanium dioxide pigment by vapor...
- Patent number 6,852,306
- Issue date Feb 8, 2005
- E. I. Du Pont de Nemours and Company
- Narayanan Sankara Subramanian
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for producing coated TiO.sub.2 pigment using cooxidation to...
- Patent number 5,922,120
- Issue date Jul 13, 1999
- E. I. Du Pont de Nemours and Company
- Narayanan Sankara Subramanian
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Granular scrubs for use in manufacturing titanium dioxide pigment
- Patent number 5,759,511
- Issue date Jun 2, 1998
- E. I. Du Pont de Nemours and Company
- Russell Bertrum Diemer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Rapid depolymerization of polyhydroxy acids
- Patent number 5,264,626
- Issue date Nov 23, 1993
- E. I. Du Pont de Nemours and Company
- Loren D. Brake
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Rapid depolymerization of polyhydroxy acids
- Patent number 5,229,528
- Issue date Jul 20, 1993
- E. I. Du Pont de Nemours and Company
- Loren D. Brake
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for making random ethylene/alkyl acrylate copolymers
- Patent number 4,520,183
- Issue date May 28, 1985
- E. I. Du Pont de Nemours and Company
- Narayanan S. Subramanian
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
REDUCED ABRASION OF TITANIUM DIOXIDE PIGMENTS PRODUCED FROM THE CHL...
- Publication number 20110293508
- Publication date Dec 1, 2011
- E.I. du Pont de Nemours and Company
- MICHAEL ANDREW HOFMANN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION OF ORGANIC ADDITIVE-TREATED, PYROGENIC SILICA-ENCAPSULA...
- Publication number 20100324186
- Publication date Dec 23, 2010
- E.I. du Pont de Nemours and Company
- JOHN NICHOLAS BIRMINGHAM
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PLASTIC SURFACES HAVING IMPROVED SURFACE CHARACTERISTICS
- Publication number 20100113644
- Publication date May 6, 2010
- E.I. du Pont de Nemours and Company
- NARAYANAN SANKARA SUBRAMANIAN
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
REDUCED ABRASION OF TITANIUM DIOXIDE PIGMENTS PRODUCED FROM THE CHL...
- Publication number 20080305363
- Publication date Dec 11, 2008
- Michael Andrew Hofmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Preparation of organic additive-treated, pyrogenic silica-encapsula...
- Publication number 20080280142
- Publication date Nov 13, 2008
- John Nicholas Birmingham
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for making durable titanium dioxide pigment in the chloride...
- Publication number 20080202385
- Publication date Aug 28, 2008
- Narayanan Sankara Subramanian
- B82 - NANO-TECHNOLOGY
Information Patent Application
Process for producing titanium dioxide particles having reduced chl...
- Publication number 20080187486
- Publication date Aug 7, 2008
- Alan Roger Eaton
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Titanium dioxide finishing process
- Publication number 20080105165
- Publication date May 8, 2008
- Russell Bertrum Diemer
- B82 - NANO-TECHNOLOGY
Information Patent Application
Reduced abrasion of titanium dioxide pigments produced from the chl...
- Publication number 20070248822
- Publication date Oct 25, 2007
- Michael Andrew Hofmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Reduced abrasion of titanium dioxide pigments produced from the chl...
- Publication number 20070245924
- Publication date Oct 25, 2007
- Michael Andrew Hofmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing titanium dioxide
- Publication number 20070172414
- Publication date Jul 26, 2007
- Narayanan Sankara Subramanian
- C01 - INORGANIC CHEMISTRY
Information Patent Application
TITANIUM DIOXIDE FINISHING PROCESS
- Publication number 20070095253
- Publication date May 3, 2007
- Russell Bertrum Diemer
- B82 - NANO-TECHNOLOGY
Information Patent Application
Process for treating inorganic particles via sintering of sinterabl...
- Publication number 20060275227
- Publication date Dec 7, 2006
- Narayanan Sankara Subramanian
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Preparation of organic additive-treated, pyrogenic silica-encapsula...
- Publication number 20050239921
- Publication date Oct 27, 2005
- John Nicholas Birmingham
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for making durable rutile titanium dioxide pigment by vapor...
- Publication number 20040258610
- Publication date Dec 23, 2004
- Narayanan Sankara Subramanian
- B82 - NANO-TECHNOLOGY

Narayanan S. Subramanian

Person

Patents Grantslast 30 patents

Plastic surfaces having improved surface characteristics

Process for producing titanium dioxide particles having reduced chl...

Process for treating inorganic particles via sintering of sinterabl...

Preparation of organic additive-treated, pyrogenic silica-encapsula...

Process for producing titanium dioxide

Titanium dioxide finishing process

Process for making durable rutile titanium dioxide pigment by vapor...

Process for making durable rutile titanium dioxide pigment by vapor...

Process for producing coated TiO.sub.2 pigment using cooxidation to...

Granular scrubs for use in manufacturing titanium dioxide pigment

Rapid depolymerization of polyhydroxy acids

Rapid depolymerization of polyhydroxy acids

Process for making random ethylene/alkyl acrylate copolymers

Patents Applicationslast 30 patents

REDUCED ABRASION OF TITANIUM DIOXIDE PIGMENTS PRODUCED FROM THE CHL...

PREPARATION OF ORGANIC ADDITIVE-TREATED, PYROGENIC SILICA-ENCAPSULA...

PLASTIC SURFACES HAVING IMPROVED SURFACE CHARACTERISTICS

REDUCED ABRASION OF TITANIUM DIOXIDE PIGMENTS PRODUCED FROM THE CHL...

Preparation of organic additive-treated, pyrogenic silica-encapsula...

Process for making durable titanium dioxide pigment in the chloride...

Process for producing titanium dioxide particles having reduced chl...

Titanium dioxide finishing process

Reduced abrasion of titanium dioxide pigments produced from the chl...

Reduced abrasion of titanium dioxide pigments produced from the chl...

Process for producing titanium dioxide

TITANIUM DIOXIDE FINISHING PROCESS

Process for treating inorganic particles via sintering of sinterabl...

Preparation of organic additive-treated, pyrogenic silica-encapsula...

Process for making durable rutile titanium dioxide pigment by vapor...