David J. Hill

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Breathable microporous film and methods for making it
- Patent number 5,011,698
- Issue date Apr 30, 1991
- Hercules Incorporated
- Mitchell K. Antoon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Breathable microporous film
- Patent number 5,008,296
- Issue date Apr 16, 1991
- Hercules Incorporated
- Mitchell K. Antoon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Breathable microporous film and methods for making it
- Patent number 4,923,650
- Issue date May 8, 1990
- Hercules Incorporated
- Mitchell K. Antoon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Heat sealable microporous polypropylene films
- Patent number 4,734,324
- Issue date Mar 29, 1988
- Hercules Incorporated
- David J. Hill
- B32 - LAYERED PRODUCTS