W. Ronald Darnell

Person

Weber City, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Poly(ester-ether) compositions having increased thermal stability
- Patent number 5,342,902
- Issue date Aug 30, 1994
- Eastman Chemical Company
- W. Ronald Darnell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly (ether-ketone)
- Patent number 5,155,203
- Issue date Oct 13, 1992
- Eastman Kodak Company
- W. Ronald Darnell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Melt phase polyarylate process
- Patent number 5,006,628
- Issue date Apr 9, 1991
- Eastman Kodak Company
- Winston J. Jackson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate of cyclohexylhydroquinone
- Patent number 4,895,923
- Issue date Jan 23, 1990
- Eastman Kodak Company
- W. Ronald Darnell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polyketone and poly(ketone-sulfone)...
- Patent number 4,861,856
- Issue date Aug 29, 1989
- Eastman Kodak Company
- W. Ronald Darnell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of poly(ether-ketone) polymers
- Patent number 4,839,459
- Issue date Jun 13, 1989
- Eastman Kodak Company
- W. Ronald Darnell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

W. Ronald Darnell

Person

Patents Grantslast 30 patents

Poly(ester-ether) compositions having increased thermal stability

Poly (ether-ketone)

Melt phase polyarylate process

Polycarbonate of cyclohexylhydroquinone

Process for the preparation of polyketone and poly(ketone-sulfone)...

Process for the preparation of poly(ether-ketone) polymers