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Nandakumar S. Rao
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Hockessin, DE, US
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last 30 patents
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Patent Grant
Process for importing stain-resistance to textile substrates
Patent number
5,032,136
Issue date
Jul 16, 1991
E. I. Du Pont de Nemours and Company
Patrick H. Fitzgerald
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Stain-resistant aromatic/maleic anhydride polymers
Patent number
5,001,004
Issue date
Mar 19, 1991
E. I. Du Pont de Nemours and Company
Patrick H. Fitzgerald
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Stain-resistant textile substrates
Patent number
4,948,650
Issue date
Aug 14, 1990
E. I. Du Pont de Nemours and Company
Patrick H. Fitzgerald
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Stain-resistant agents for textiles
Patent number
4,883,839
Issue date
Nov 28, 1989
E. I. Du Pont de Nemours and Company
Patrick H. Fitzgerald
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Oil- and water-repellent copolymers
Patent number
4,742,140
Issue date
May 3, 1988
E. I. Du Pont de Nemours and Company
Edward J. Greenwood
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...