Knifton; John Frederick

Patent Applications and Registrations

Patent applications and USPTO patent grants for Knifton; John Frederick.The latest application filed is for "reduction of the viscosity of reactive heavy byproducts during the production of 1,3-propanediol".

Company Profile

0.10.13

Knifton; John Frederick - Houston TX
Knifton; John Frederick - Austin TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
One-step production of 1,3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst Grant 7,538,061 - Knifton , et al. May 26, 2	2009-05-26
Reduction of the viscosity of reactive heavy byproducts during the production of 1,3-propanediol Grant 7,276,634 - Knifton , et al. October 2, 2	2007-10-02
Synthesis of aliphatic 1,3-diols utilizing reduced ligand concentration and water extraction Grant 7,115,540 - Powell , et al. October 3, 2	2006-10-03
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand Grant 6,903,044 - Knifton , et al. June 7, 2	2005-06-07
Reduction of the viscosity of reactive heavy byproducts during the production of 1,3-propanediol App 20050043570 - Knifton, John Frederick ; et al.	2005-02-24
One-step production of 1,3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst App 20040176648 - Knifton, John Frederick ; et al.	2004-09-09
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand Grant 6,753,289 - Knifton , et al. June 22, 2	2004-06-22
One-step production of 1, 3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst Grant 6,750,373 - Knifton , et al. June 15, 2	2004-06-15
Synthesis of aliphatic 1,3-diols utilizing reduced ligand concentration and water extraction App 20040059165 - Powell, Joseph Broun ; et al.	2004-03-25
One step process for preparing a 1,3-diol Grant 6,706,656 - Knifton , et al. March 16, 2	2004-03-16
Synthesis of aliphatic 1,3-diols utilizing reduced ligand concentration and water extraction Grant 6,660,892 - Powell , et al. December 9, 2	2003-12-09
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand App 20030204118 - Knifton, John Frederick ; et al.	2003-10-30
Synthesis of aliphatic 1, 3-diols utilizing reduced ligand concentration and water extraction App 20030166977 - Powell, Joseph Broun ; et al.	2003-09-04
One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand App 20030153796 - Knifton, John Frederick ; et al.	2003-08-14
One-step production of 1, 3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand App 20030060668 - Knifton, John Frederick ; et al.	2003-03-27
One-step production of 1, 3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand App 20030055298 - Knifton, John Frederick ; et al.	2003-03-20
One step process for preparing a 1,3-diol App 20030040647 - Allen, Kevin Dale ; et al.	2003-02-27
One-step production of 1, 3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst App 20030027717 - Knifton, John Frederick ; et al.	2003-02-06
One step process for preparing a 1,3-diol App 20020161251 - Knifton, John Frederick ; et al.	2002-10-31
One step process for preparing A 1,3-diol Grant 6,469,222 - Knifton , et al. October 22, 2	2002-10-22
One Step Process for preparing a 1,3-diol App 20020111516 - Knifton, John Frederick ; et al.	2002-08-15
One step process for preparing A 1,3-DIOL App 20020004617 - Knifton, John Frederick ; et al.	2002-01-10
One-step synthesis of methyl t-butyl ether from t-butanol using .beta.-zeolite catalysts modified with lithium plus rare earths Grant 5,716,896 - Knifton , et al. February 10, 1	1998-02-10

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