Nandakumar S. Rao

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Hockessin, DE, US

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Patents Grantslast 30 patents

Information 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...