David W. Zunker

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyvinyl alcohol based wax-free size composition
- Patent number 4,640,946
- Issue date Feb 3, 1987
- E. I. Du Pont de Nemours and Company
- Donald A. Vassallo
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Inorganic fillers modified with vinyl alcohol polymer and cationic...
- Patent number 4,495,245
- Issue date Jan 22, 1985
- E. I. Du Pont de Nemours and Company
- David W. Zunker
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for preparing emulsions by polymerization of aqueous monome...
- Patent number 4,011,388
- Issue date Mar 8, 1977
- E. I. Du Pont de Nemours and Company
- Charles Vincent Murphy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous emulsions containing homogeneous particles of cellulosic es...
- Patent number 3,953,386
- Issue date Apr 27, 1976
- E. I. Du Pont de Nemours and Company
- Charles Vincent Murphy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...