Ramamritham Sridhar

Person

Mississauga, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Chloride process for the leaching of gold
- Patent number 9,732,398
- Issue date Aug 15, 2017
- Process Research Ortech Inc.
- Vaikuntam I. Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for extraction of rare earth elements
- Patent number 9,115,419
- Issue date Aug 25, 2015
- Process Research Ortech Inc.
- Vaikuntam I. Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Separation of iron from value metals in leaching of laterite ores
- Patent number 8,916,116
- Issue date Dec 23, 2014
- Process Research Ortech inc.
- Vaikuntam I. Lakshmanan
- C21 - METALLURGY OF IRON
Information Patent Grant
Production of high purity silicon from amorphous silica
- Patent number 8,337,795
- Issue date Dec 25, 2012
- Process Research Ortech Inc.
- Mansoor Barati
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of value metals from base metal sulfide ores
- Patent number 7,968,065
- Issue date Jun 28, 2011
- Jaguar Nickel Inc.
- G. Bryn Harris
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of titanium in mixed chloride media
- Patent number 7,803,336
- Issue date Sep 28, 2010
- Process Research Ortech, Inc.
- Vaikuntum I. Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of value metals from base metal sulfide ores
- Patent number 7,736,606
- Issue date Jun 15, 2010
- Jaguar Nickel Inc.
- G. Bryn Harris
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the recovery of value metals from material containing b...
- Patent number 7,329,396
- Issue date Feb 12, 2008
- Jaguar Nickel Inc.
- G. Bryn Harris
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of zinc from galvanized coatings
- Patent number 6,878,356
- Issue date Apr 12, 2005
- Process Research Management Inc.
- Vaikuntam Iyer Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Treatment of fly ash
- Patent number 6,730,161
- Issue date May 4, 2004
- Process Research Ortech, Inc.
- Vaikuntam Iyer Lakshmanan
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Methods for separation of titanium from ore
- Patent number 6,699,446
- Issue date Mar 2, 2004
- Vaikuntam Iyer Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Separation of titanium halides from aqueous solutions
- Patent number 6,500,396
- Issue date Dec 31, 2002
- Vaikuntam Iyer Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Nickel and cobalt irregularly shaped granulates
- Patent number 4,168,967
- Issue date Sep 25, 1979
- The International Nickel Company, Inc.
- Ramamritham Sridhar
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Roast-leach copper recovery
- Patent number 4,168,217
- Issue date Sep 18, 1979
- The International Nickel Company, Inc.
- Ashok D. Dalvi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Roast-reductive leach process for copper recovery
- Patent number 4,135,918
- Issue date Jan 23, 1979
- The International Nickel Company, Inc.
- Victor A. Ettel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for treatment of lateritic ores
- Patent number 4,049,444
- Issue date Sep 20, 1977
- The International Nickel Company, Inc.
- Malcolm Charles Evert Bell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of stripping base metals from fused salts
- Patent number 4,038,066
- Issue date Jul 26, 1977
- The International Nickel Company, Inc.
- Malcolm Charles Evert Bell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Thermal upgrading of sea nodules
- Patent number 3,984,232
- Issue date Oct 5, 1976
- The International Nickel Company, Inc.
- Malcolm Charles Evert Bell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Arsenic removal from nickel matte
- Patent number 3,938,989
- Issue date Feb 17, 1976
- The International Nickel Company, Inc.
- Malcolm Charles Evert Bell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
RECHARGEABLE CHLORIDE BATTERY
- Publication number 20160301108
- Publication date Oct 13, 2016
- PROCESS RESEARCH ORTECH INC.
- Ashok Bhowmick
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Process for the separation of iron in extraction of titanium in mix...
- Publication number 20150315677
- Publication date Nov 5, 2015
- Process Research Ortech Inc.
- Vaikuntam I LAKSHMANAN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MIXED CHLORIDE PROCESS FOR THE EXTRACTION OF ALUMINA
- Publication number 20140301919
- Publication date Oct 9, 2014
- Vaikuntam I. Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
RECOVERY OF NICKEL IN LEACHING OF LATERITE ORES
- Publication number 20140294702
- Publication date Oct 2, 2014
- Vaikuntam I. Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR EXTRACTION OF RARE EARTH ELEMENTS
- Publication number 20130283977
- Publication date Oct 31, 2013
- Vaikuntam I. Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
CHLORIDE PROCESS FOR THE LEACHING OF GOLD
- Publication number 20130283976
- Publication date Oct 31, 2013
- Vaikuntam I. Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SEPARATION OF IRON FROM VALUE METALS IN LEACHING OF LATERITE ORES
- Publication number 20130149219
- Publication date Jun 13, 2013
- Vaikuntam I. Lakshmanan
- C21 - METALLURGY OF IRON
Information Patent Application
PRODUCTION OF HIGH PURITY SILICON FROM AMORPHOUS SILICA
- Publication number 20120230904
- Publication date Sep 13, 2012
- Mansoor Barati
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Production of High Purity Silicon from Amorphous Silica
- Publication number 20110052475
- Publication date Mar 3, 2011
- Mansoor Barati
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for the recovery of value metals from base metal sulfide ores
- Publication number 20090013829
- Publication date Jan 15, 2009
- G. Bryn Harris
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for the recovery of titanium in mixed chloride media
- Publication number 20050142051
- Publication date Jun 30, 2005
- Process Research Ortech, Inc.
- Vaikuntum I. Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for the recovery of value metals from base metal sulfide ores
- Publication number 20050118081
- Publication date Jun 2, 2005
- Jaguar Nickel Inc.
- G. Bryn Harris
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for the recovery of value metals from material containing b...
- Publication number 20040228783
- Publication date Nov 18, 2004
- Jaguar Nickel Inc.
- G. Bryn Harris
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Treatment of fly ash
- Publication number 20030079656
- Publication date May 1, 2003
- Vaikuntam Iyer Lakshmanan
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Recovery of zinc from galvanized coatings
- Publication number 20030012716
- Publication date Jan 16, 2003
- Vaikuntam Iyer Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Methods for separation of titanium from ore
- Publication number 20010007646
- Publication date Jul 12, 2001
- Vaikuntam Iyer Lakshmanan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Ramamritham Sridhar

Person

Patents Grantslast 30 patents

Chloride process for the leaching of gold

Process for extraction of rare earth elements

Separation of iron from value metals in leaching of laterite ores

Production of high purity silicon from amorphous silica

Process for the recovery of value metals from base metal sulfide ores

Process for the recovery of titanium in mixed chloride media

Process for the recovery of value metals from base metal sulfide ores

Process for the recovery of value metals from material containing b...

Recovery of zinc from galvanized coatings

Treatment of fly ash

Methods for separation of titanium from ore

Separation of titanium halides from aqueous solutions

Nickel and cobalt irregularly shaped granulates

Roast-leach copper recovery

Roast-reductive leach process for copper recovery

Process for treatment of lateritic ores

Method of stripping base metals from fused salts

Thermal upgrading of sea nodules

Arsenic removal from nickel matte

Patents Applicationslast 30 patents

RECHARGEABLE CHLORIDE BATTERY

Process for the separation of iron in extraction of titanium in mix...

MIXED CHLORIDE PROCESS FOR THE EXTRACTION OF ALUMINA

RECOVERY OF NICKEL IN LEACHING OF LATERITE ORES

PROCESS FOR EXTRACTION OF RARE EARTH ELEMENTS

CHLORIDE PROCESS FOR THE LEACHING OF GOLD

SEPARATION OF IRON FROM VALUE METALS IN LEACHING OF LATERITE ORES

PRODUCTION OF HIGH PURITY SILICON FROM AMORPHOUS SILICA

Production of High Purity Silicon from Amorphous Silica

Process for the recovery of value metals from base metal sulfide ores

Process for the recovery of titanium in mixed chloride media

Process for the recovery of value metals from base metal sulfide ores

Process for the recovery of value metals from material containing b...

Treatment of fly ash

Recovery of zinc from galvanized coatings

Methods for separation of titanium from ore