Spiro D. Alexandratos

Person

Knoxville, TN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin...
- Patent number 6,488,859
- Issue date Dec 3, 2002
- Arch Development Corp.
- Spiro Alexandratos
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin...
- Patent number 6,232,353
- Issue date May 15, 2001
- Arch Development Corporation
- Spiro Alexandratos
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bifunctional anion-exchange resins with improved selectivity and ex...
- Patent number 6,059,975
- Issue date May 9, 2000
- Lockheed Martin Energy Research Corporation
- Spiro D. Alexandratos
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Synthesis and purification of zosteric acid
- Patent number 5,990,336
- Issue date Nov 23, 1999
- The University of Tennessee Research Corporation
- Spiro D. Alexandratos
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Grafted methylenediphosphonate ion exchange resins
- Patent number 5,712,347
- Issue date Jan 27, 1998
- Arch Development Corp.
- Andrzej W. Trochimcznk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Grafted methylenediphosphonate ion exchange resins
- Patent number 5,618,851
- Issue date Apr 8, 1997
- Arch Development Corp.
- Andrzej W. Trochimcznk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phosphonic acid based ion exchange resins
- Patent number 5,539,003
- Issue date Jul 23, 1996
- University of Tennessee Research Corporation
- E. Philip Horwitz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Phosphonic acid based exchange resins
- Patent number 5,449,462
- Issue date Sep 12, 1995
- Arch Development Corp.
- E. Philip Horwitz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Synthesis of tetraalkyl vinylidene diphosphonate monomer
- Patent number 5,442,085
- Issue date Aug 15, 1995
- The University of Tennessee Research Corporation
- Spiro D. Alexandratos
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phosphonic acid based ion exchange resins
- Patent number 5,281,631
- Issue date Jan 25, 1994
- Arch Development Corp.
- E. Philip Horwitz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Synthesis of tetraalkyl vinylidene diphosphonate monomer
- Patent number 5,256,808
- Issue date Oct 26, 1993
- The University of Tennessee Research Corp.
- Spiro D. Alexandratos
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composition for extracting gold and silver anions from alkaline sol...
- Patent number 4,894,407
- Issue date Jan 16, 1990
- University of Utah
- Jan D. Miller
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Interpenetrating polymer network ion exchange membranes and method...
- Patent number 4,879,316
- Issue date Nov 7, 1989
- The University of Tennessee Research Corporation
- Spiro D. Alexandratos
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Selective extraction of metal ions with polymeric extractants by io...
- Patent number 4,664,700
- Issue date May 12, 1987
- University of Tennessee Research Corporation
- Spiro D. Alexandratos
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin...
- Publication number 20010052496
- Publication date Dec 20, 2001
- Spiro Alexandratos
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Spiro D. Alexandratos

Person

Patents Grantslast 30 patents

Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin...

Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin...

Bifunctional anion-exchange resins with improved selectivity and ex...

Synthesis and purification of zosteric acid

Grafted methylenediphosphonate ion exchange resins

Grafted methylenediphosphonate ion exchange resins

Phosphonic acid based ion exchange resins

Phosphonic acid based exchange resins

Synthesis of tetraalkyl vinylidene diphosphonate monomer

Phosphonic acid based ion exchange resins

Synthesis of tetraalkyl vinylidene diphosphonate monomer

Composition for extracting gold and silver anions from alkaline sol...

Interpenetrating polymer network ion exchange membranes and method...

Selective extraction of metal ions with polymeric extractants by io...

Patents Applicationslast 30 patents

Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin...