Patents by Inventor Mayis Seapan

Mayis Seapan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9521844
    Abstract: Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone, and from which formulated products may be prepared.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: December 20, 2016
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: John Charles Fisher, Keith W Hutchenson, Scott Christopher Jackson, Leo Ernest Manzer, Mark A Scialdone, Mayis Seapan
  • Publication number: 20150164073
    Abstract: Disclosed is a hydrogenated catmint oil, which is enriched in the insect repellant dihydronepetalactone, and from which formulated products can be prepared.
    Type: Application
    Filed: February 26, 2015
    Publication date: June 18, 2015
    Inventors: JOHN CHARLES FISHER, Keith W. Hutchenson, Scott Christopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Publication number: 20150087698
    Abstract: Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone, and from which formulated products may be prepared.
    Type: Application
    Filed: September 24, 2013
    Publication date: March 26, 2015
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: JOHN CHARLES FISHER, KEITH W. HUTCHENSON, SCOTT CHRISTOPHER JACKSON, LEO ERNEST MANZER, MARK A. SCIALDONE, MAYIS SEAPAN
  • Patent number: 8765975
    Abstract: This invention provides a process for producing dihydronepetalactone using mixtures comprising both trans-cis nepetalactone and cis-trans nepetalactone. A reaction mixture comprising trans-cis nepetalactone and cis-trans nepetalactone is first contacted with hydrogen in the presence of at least one hydrogenation catalyst under conditions that optimise the preferential conversion of trans-cis nepetalactone to dihydronepetalactone. Cis-trans nepetalactone is subsequently converted to dihydronepetalactone by contact with hydrogen in the presence of at least one hydrogenation catalyst.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: July 1, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Keith W. Hutchenson, Scott Christopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Patent number: 8558015
    Abstract: Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone, and from which formulated products may be prepared.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: October 15, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: John Charles Fisher, Keith W. Hutchenson, Scott Christopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Patent number: 8293217
    Abstract: A process for the hydrogenation of a mixture of caryophyllenes by contact with hydrogen in the presence of a supported catalyst. The resulting products are useful for the application to skin.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: October 23, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Keith W. Hutchenson, Scott Christopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Patent number: 8183417
    Abstract: A process for purifying 1,3-propanediol from the fermentation broth of a cultured E. coli that has been bioengineered to synthesize 1,3-propanediol from sugar is provided. The basic process entails filtration, ion exchange and distillation of the fermentation broth product stream, preferably including chemical reduction of the product during the distillation procedure. Also provided are highly purified compositions of 1,3-propanediol.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: May 22, 2012
    Assignees: E. I. du Pont de Nemours and Company, Tate & Lyle Ingredients Americas LLC
    Inventors: Dennis N. Adkesson, Albert W. Alsop, Tyler T. Ames, Luis A. Chu, James M. Disney, Bryan C. Dravis, Patrick Fitzgibbon, James M. Gaddy, F. Glenn Gallagher, William F. Lehnhardt, Jefferson C. Lievense, Michael L. Luyben, Mayis Seapan, Robert E. Trotter, Gregory M. Wenndt, Eugene K. Yu
  • Publication number: 20110152581
    Abstract: A process for purifying 1,3-propanediol from the fermentation broth of a cultured E. coil that has been bioengineered to synthesize 1,3-propanediol from sugar is provided. The basic process entails filtration, ion exchange and distillation of the fermentation broth product stream, preferably including chemical reduction of the product during the distillation procedure. Also provided are highly purified compositions of 1,3-propanediol.
    Type: Application
    Filed: February 25, 2011
    Publication date: June 23, 2011
    Inventors: Dennis Michael ADKESSON, Albert W. Alsop, Tyler T. Ames, Luis Alberto Chu, James M. Disney, Bryan C. Dravis, Patrick Fitzgibbon, James M. Gaddy, F. Glenn Gallagher, William F. Lehnhardt, Jefferson C. Lievense, Michael L. Luyben, Mayis Seapan, Robert E. Trotter, Gregory M. Wenndt, Eugene K. Yu
  • Publication number: 20110152583
    Abstract: A process for purifying 1,3-propanediol from the fermentation broth of a cultured E. coli that has been bioengineered to synthesize 1,3-propanediol from sugar is provided. The basic process entails filtration, ion exchange and distillation of the fermentation broth product stream, preferably including chemical reduction of the product during the distillation procedure. Also provided are highly purified compositions of 1,3-propanediol.
    Type: Application
    Filed: February 25, 2011
    Publication date: June 23, 2011
    Inventors: Dennis Michael Adkesson, Albert W. Alsop, Tyler T. Ames, Luis Alberto Chu, James M. Disney, Bryan C. Dravis, Patrick Fitzgibbon, James M. Gaddy, F. Glenn Gallagher, William F. Lehnhardt, Jefferson C. Lievense, Michael L. Luyben, Mayis Seapan, Robert E. Trotter, Gregory M. Wenndt, Eugene K. Yu
  • Patent number: 7919658
    Abstract: A process for purifying 1,3-propanediol from the fermentation broth of a cultured E. coli that has been bioengineered to synthesize 1,3-propanediol from sugar is provided. The basic process entails filtration, ion exchange and distillation of the fermentation broth product stream, preferably including chemical reduction of the product during the distillation procedure. Also provided are highly purified compositions of 1,3-propanediol.
    Type: Grant
    Filed: May 5, 2004
    Date of Patent: April 5, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Dennis M. Adkesson, James S. Disney, Bryan C. Dravis, James M. Gaddy, William F. Lehnhardt, Jefferson C. Lievense, Gregory M. Wenndt, Tyler T. Ames, Patrick Fitzgibbon, F. Glenn Gallagher, Michael L. Luyben, Mayis Seapan, Robert E. Trotter, Albert W. Alsop, Eugene K. Yu, Luis Alberto Chu
  • Patent number: 7807419
    Abstract: Processes for saccharification of pretreated biomass to obtain high concentrations of fermentable sugars are provided. Specifically, a process was developed that uses a fed batch approach with particle size reduction to provide a high dry weight of biomass content enzymatic saccharification reaction, which produces a high sugars concentration hydrolysate, using a low cost reactor system.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: October 5, 2010
    Assignees: E. I. du Pont de Nemours and Company, Alliance for Sustainable Energy LLC
    Inventors: Susan M. Hennessey, Mayis Seapan, Richard T. Elander, Melvin P. Tucker
  • Publication number: 20100168447
    Abstract: This invention provides a process for producing dihydronepetalactone using mixtures comprising both trans-cis nepetalactone and cis-trans nepetalactone. A reaction mixture comprising trans-cis nepetalactone and cis-trans nepetalactone is first contacted with hydrogen in the presence of at least one hydrogenation catalyst under conditions that optimise the preferential conversion of trans-cis nepetalactone to dihydronepetalactone. Cis-trans nepetalactone is subsequently converted to dihydronepetalactone by contact with hydrogen in the presence of at least one hydrogenation catalyst.
    Type: Application
    Filed: December 20, 2007
    Publication date: July 1, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Keith W. Hutchenson, Ccott Christopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Publication number: 20100145078
    Abstract: Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone, and from which formulated products may be prepared.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 10, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: John Charles Fisher, Keith W. Hutchenson, Scott Chirstopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Publication number: 20100092404
    Abstract: A process for the hydrogenation of a mixture of caryophyllenes by contact with hydrogen in the presence of a supported catalyst. The resulting products are useful for the application to skin.
    Type: Application
    Filed: December 20, 2007
    Publication date: April 15, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMAPNY
    Inventors: Keith W. Hutchenson, Scott Christopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Publication number: 20090053777
    Abstract: Processes for saccharification of pretreated biomass to obtain high concentrations of fermentable sugars are provided. Specifically, a process was developed that uses a fed batch approach with particle size reduction to provide a high dry weight of biomass content enzymatic saccharification reaction, which produces a high sugars concentration hydrolysate, using a low cost reactor system.
    Type: Application
    Filed: August 22, 2007
    Publication date: February 26, 2009
    Inventors: Susan Marie Hennessey, Mayis Seapan, Richard T. Elander, Melvin P. Tucker, III
  • Patent number: 7342142
    Abstract: A process comprising contacting PO3G having color with hydrogen in the presence of a hydrogenation catalyst, wherein the PO3G, after hydrogenation, has a APHA color of less than about 50.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: March 11, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Hari Babu Sunkara, Mayis Seapan, George Francis Diffendall, Francis Glenn Gallagher
  • Patent number: 7211699
    Abstract: The invention discloses a hydrogenation process for removing impurities and controlling acid for use in downstream processing of biochemically-derived 1,3-propanediol. Preferably, the biochemically-derived 1,3-propanediol, before the contacting, has an initial color and, after the contracting, has a color that is lower than the initial color.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: May 1, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Mayis Seapan, George F. Diffendall, Robert E. Trotter, Tyler T. Ames, F. Glenn Gallagher
  • Patent number: 7098368
    Abstract: The invention discloses a hydrogenation process for removing impurities and controlling acid for use in downstream processing of biochemically-derived 1,3-propanediol. Preferably, the biochemically-derived 1,3-propanediol, before the contacting, has an initial color and, after the contracting, has a color that is lower than the initial color.
    Type: Grant
    Filed: May 5, 2004
    Date of Patent: August 29, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Mayis Seapan, George F. Diffendall, Robert E. Trotter, Tyler T. Ames, F. Glenn Gallagher
  • Patent number: 7084311
    Abstract: Disclosed is a process comprising contacting chemical 1,3-propanediol with hydrogen in the presence of a hydrogenation catalyst. Preferably, the chemical 1,3-propanediol, before the contacting has an initial color and, after the contacting, has a color that is lower than the initial color.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: August 1, 2006
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Hari Babu Sunkara, Mayis Seapan, George F. Diffendall, Tyler T. Ames
  • Patent number: 7038092
    Abstract: Disclosed is a process comprising contacting chemical 1,3-propanediol with hydrogen in the presence of a hydrogenation catalyst. Preferably, the chemical 1,3-propanediol, before the contacting has an initial color and, after the contacting, has a color that is lower than the initial color.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: May 2, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Hari Babu Sunkara, Mayis Seapan, George F. Diffendall, Tyler T. Ames