Beth E. Dunlap

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Richmond, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyimides from oxydiphthalic anhydride and 2,4-diaminotoluene
- Patent number 5,442,031
- Issue date Aug 15, 1995
- E. I. Du Pont de Nemours and Company
- Beth E. Dunlap
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer preparation from diacylbis-lactam to avoid crystal formation
- Patent number 5,140,096
- Issue date Aug 18, 1992
- E. I. Du Pont de Nemours and Company
- Beth E. Dunlap
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Melt-processible aromatic polyamide from N,N'-isophthaloyl bis lactam
- Patent number 5,136,016
- Issue date Aug 4, 1992
- E. I. Du Pont de Nemours and Company
- Gurdial Singh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Recovery and melt extrusion of aromatic/aliphatic copolyamides from...
- Patent number 5,066,445
- Issue date Nov 19, 1991
- E. I. Du Pont de Nemours and Company
- Beth E. Dunlap
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL