Thomas Hassall Jr.

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Dry blending process for the quaternization of polyvinyl alcohol
- Patent number 4,775,715
- Issue date Oct 4, 1988
- E. I. Du Pont de Nemours and Company
- Aleksander Beresniewicz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyvinyl alcohol dust suppression by admixing polyglycol
- Patent number 4,389,506
- Issue date Jun 21, 1983
- E. I. Du Pont de Nemours and Company
- Thomas Hassall
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...