Edwin J. Warwas

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Compositions comprising hydrofluorocarbons and their manufacture
- Patent number 6,224,781
- Issue date May 1, 2001
- E. I. Du Pont de Nemours and Company
- Barry A. Mahler
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Process for the manufacture of halogenated propanes containing end-...
- Patent number 6,066,769
- Issue date May 23, 2000
- E. I. Du Pont de Nemours and Company
- Mario Joseph Nappa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of 2-chloro-2-hydrohexafluoropropane and azeotropes ther...
- Patent number 5,902,911
- Issue date May 11, 1999
- E. I. Du Pont de Nemours and Company
- Velliyur Nott Mallikarjuna Rao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azeotropes of HF and process for the separation of HF via azeotropi...
- Patent number 5,094,773
- Issue date Mar 10, 1992
- E. I. Du Pont de Nemours and Company
- Leo E. Manzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the separation of HF via Azeotropic distillation
- Patent number 4,944,846
- Issue date Jul 31, 1990
- E. I. DuPont de Nemours and Company
- Leo E. Manzer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the separation of HF via phase separation and distillation
- Patent number 4,911,792
- Issue date Mar 27, 1990
- E. I. Du Pont de Nemours and Company
- Leo E. Manzer
- C07 - ORGANIC CHEMISTRY