Robert W. Keown

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Newark, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Stain-inhibiting agent for dyes with affinity for protonatable nitr...
- Patent number 5,681,604
- Issue date Oct 28, 1997
- Hualin Li
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Prevention of fabric staining
- Patent number 5,096,726
- Issue date Mar 17, 1992
- University of Delaware
- Robert W. Keown
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Chitosan alginate capsules
- Patent number 4,808,707
- Issue date Feb 28, 1989
- University of Delaware
- Mary M. Daly
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of chloroprene polymer solutions suitab...
- Patent number 4,156,671
- Issue date May 29, 1979
- E. I. Du Pont de Nemours and Company
- Robert W. Keown
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...