George F. Diffendall

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydrogenation of polytrimethylene ether glycol
- Patent number 7,342,142
- Issue date Mar 11, 2008
- E. I. Du Pont de Nemours and Company
- Hari Babu Sunkara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Purification of biochemically derived 1,3-propanediol
- Patent number 7,211,699
- Issue date May 1, 2007
- E. I. Du Pont de Nemours and Company
- Mayis Seapan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogenation of biochemical derived 1,3 -propanediol
- Patent number 7,098,368
- Issue date Aug 29, 2006
- E. I. Du Pont de Nemours and Company
- Mayis Seapan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogenation of chemically derived 1,3-propanediol
- Patent number 7,084,311
- Issue date Aug 1, 2006
- E. I. Du Pont de Nemours and Company
- Hari Babu Sunkara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of chemical 1,3-propanediol
- Patent number 7,038,092
- Issue date May 2, 2006
- E. I. Du Pont de Nemours and Company
- Hari Babu Sunkara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing peroxides
- Patent number 5,962,746
- Issue date Oct 5, 1999
- E. I. Du Pont de Nemours and Company
- George Francis Diffendall
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method to extend the utilization of a catalyst in a multistage reac...
- Publication number 20060070918
- Publication date Apr 6, 2006
- Mayis Seapan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Purification of biochemically derived 1,3-propanediol
- Publication number 20050277792
- Publication date Dec 15, 2005
- Mayis Seapan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Purification of chemical 1,3-propanediol
- Publication number 20050272962
- Publication date Dec 8, 2005
- Hari Babu Sunkara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hydrogenation of biochemical derived 1,3 -propanediol
- Publication number 20040260125
- Publication date Dec 23, 2004
- Mayis Seapan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hydrogenation of polytrimethylene ether glycol
- Publication number 20040225163
- Publication date Nov 11, 2004
- Hari Babu Sunkara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Hydrogenation of chemically derived 1,3-propanediol
- Publication number 20040225161
- Publication date Nov 11, 2004
- Hari Babu Sunkara
- C07 - ORGANIC CHEMISTRY