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Stephen A. Perusich
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Newark, DE, US
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Patents Grants
last 30 patents
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Patent Grant
Highly conductive ion exchange polymer and process
Patent number
6,033,804
Issue date
Mar 7, 2000
E. I. Du Pont de Nemours and Company
Christopher Marc Doyle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for making and repairing ion exchange membranes and films
Patent number
5,356,663
Issue date
Oct 18, 1994
E. I. Du Pont de Nemours and Company
Stephen A. Perusich
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for making ion exchange membranes and films
Patent number
5,273,694
Issue date
Dec 28, 1993
E. I. Du Pont de Nemours and Company
Stephen A. Perusich
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coated cation exchange fabric and process
Patent number
4,996,098
Issue date
Feb 26, 1991
E. I. Du Pont de Nemours and Company
Stephen A. Perusich
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Cation exchange membrane and use
Patent number
4,990,228
Issue date
Feb 5, 1991
E. I. Du Pont de Nemours and Company
Stephen A. Perusich
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Coated cation exchange yarn and process
Patent number
4,988,364
Issue date
Jan 29, 1991
E. I. Du Pont de Nemours and Company
Stephen A. Perusich
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Cation exchange reinforced membrane and process for using
Patent number
4,964,960
Issue date
Oct 23, 1990
E. I. Du Pont de Nemours and Company
James T. Keating
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...