Annie W. Wigfall

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Antimicrobial particles of silver and barium sulfate or zinc oxide
- Patent number 5,595,750
- Issue date Jan 21, 1997
- E. I. Du Pont de Nemours and Company
- Howard W. Jacobson
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Antimicrobial compositions, process for preparing the same and use
- Patent number 5,503,840
- Issue date Apr 2, 1996
- E. I. Du Pont de Nemours and Company
- Howard W. Jacobson
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING