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Robert E. Trotter
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Hockessin, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Purification of biologically-produced 1,3-propanediol
Patent number
8,183,417
Issue date
May 22, 2012
E. I. Du Pont de Nemours and Company
Dennis N. Adkesson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of biologically-produced 1,3-propanediol
Patent number
7,919,658
Issue date
Apr 5, 2011
E. I. Du Pont de Nemours and Company
Dennis M. Adkesson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Continuous process for producing poly(trimethylene terephthalate)
Patent number
7,531,617
Issue date
May 12, 2009
E. I. Du Pont de Nemours and Company
John Harvey Eng
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Continuous manufacture of poly(trimethylene terephthalate)
Patent number
7,524,921
Issue date
Apr 28, 2009
E. I. Du Pont de Nemours and Company
John Harvey Eng
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Poly(trimethylene therephthalate) continuous manufacturing process
Patent number
7,504,474
Issue date
Mar 17, 2009
E. I. Du Pont de Nemours and Company
John Harvey Eng
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
Process for the separation of glycols from dimethyl terephthalate
Patent number
5,391,263
Issue date
Feb 21, 1995
E. I. Du Pont de Nemours and Company
Richard R. Hepner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of purified concentrated BDO
Patent number
5,209,825
Issue date
May 11, 1993
E. I. Du Pont de Nemours and Company
Hashim M. Badat
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Purification Of Biologically-Produced 1,3-Propanediol
Publication number
20110152583
Publication date
Jun 23, 2011
Dennis Michael ADKESSON
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Purification Of Biologically-Produced 1,3-Propanediol
Publication number
20110152581
Publication date
Jun 23, 2011
Dennis Michael ADKESSON
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Poly(trimethylene therephthalate) continuous manufacturing process
Publication number
20070249857
Publication date
Oct 25, 2007
John Harvey Eng
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Continuous manufacture of poly(trimethylene terephthalate)
Publication number
20070191581
Publication date
Aug 16, 2007
John Harvey Eng
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Continuous process for producing poly(trimethylene terephthalate)
Publication number
20070191580
Publication date
Aug 16, 2007
John Harvey Eng
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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 biologically-produced 1,3-propanediol
Publication number
20050069997
Publication date
Mar 31, 2005
Dennis Michael Adkesson
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