Patents by Inventor Selim Senkan

Selim Senkan 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: 8889892
    Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising (a) ruthenium metal or a ruthenium oxide, (b) manganese oxide and (c) alkaline metal component or alkaline earth metal component.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: November 18, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshihiko Ohishi, Anusorn Seubsai, Selim Senkan
  • Patent number: 8829211
    Abstract: The present invention relates to a direct conversion of olefin to olefin oxide, which are important and versatile intermediates used in the production of a large variety of valuable consumer products such as polyurethane foams, polymers, alkylene glycol, cosmetics, food emulsifiers and as fumigants and insecticides. More specifically, the present invention provides a process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a halogen compound additive and a catalyst comprising copper, ruthenium or both thereof.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: September 9, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Anusorn Seubsai, Selim Senkan, Yoshihiko Ohishi, Carlos Gustavo Knapp Bjeren
  • Patent number: 8822372
    Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a copper oxide and a ruthenium oxide on a porous support.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: September 2, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Selim Senkan, Anusom Seubsai
  • Patent number: 8765981
    Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a copper oxide and a tellurium oxide.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: July 1, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshihiko Ohishi, Anusorn Seubsai, Selim Senkan
  • Publication number: 20140005039
    Abstract: A process for preparing a catalyst for production of an olefin oxide containing (a) a copper oxide and (b) a ruthenium oxide, which comprises the step of drying a mixture containing a copper component, a ruthenium component, water, and at least one ion selected from the group consisting of a nitrate ion having a molar ratio to the copper of 3 or more and a halide ion having a molar ratio to the ruthenium of 9 or more, and calcining.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 2, 2014
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshihiko OHISHI, Anusorn Seubsai, Selim Senkan
  • Publication number: 20130296586
    Abstract: The present invention relates to a direct conversion of olefin to olefin oxide, which are important and versatile intermediates used in the production of a large variety of valuable consumer products such as polyurethane foams, polymers, alkylene glycol, cosmetics, food emulsifiers and as fumigants and insecticides. More specifically, the present invention provides a process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a halogen compound additive and a catalyst comprising copper, ruthenium or both thereof.
    Type: Application
    Filed: January 18, 2012
    Publication date: November 7, 2013
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Anusorn Seubsai, Selim Senkan, Yoshihiko Ohishi, Carlos Gustavo Knapp Bjeren
  • Publication number: 20130281722
    Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a copper oxide and a tellurium oxide.
    Type: Application
    Filed: December 15, 2011
    Publication date: October 24, 2013
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshihiko Ohishi, Anusorn Seubsai, Selim Senkan
  • Publication number: 20130144074
    Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising (a) ruthenium metal or a ruthenium oxide, (b) manganese oxide and (c) alkaline metal component or alkaline earth metal component.
    Type: Application
    Filed: May 26, 2011
    Publication date: June 6, 2013
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshihiko Ohishi, Anusorn Seubsai, Selim Senkan
  • Publication number: 20120283455
    Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a copper oxide and a ruthenium oxide on a porous support.
    Type: Application
    Filed: December 14, 2010
    Publication date: November 8, 2012
    Inventors: Selim Senkan, Anusorn Seubsai
  • Publication number: 20120283454
    Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising (a) copper oxide, (b) ruthenium metal or ruthenium oxide and (c) alkaline metal component or alkaline earth metal component.
    Type: Application
    Filed: December 14, 2010
    Publication date: November 8, 2012
    Inventors: Selim Senkan, Anusorn Seubsai, Yoshihiko Ohishi
  • Publication number: 20110152546
    Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising a copper oxide and a ruthenium oxide on a porous support.
    Type: Application
    Filed: June 29, 2010
    Publication date: June 23, 2011
    Inventors: Selim Senkan, Anusorn Seubsai
  • Publication number: 20110152547
    Abstract: A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising (a) copper oxide, (b) ruthenium metal or ruthenium oxide and (c) alkaline metal component or alkaline earth metal component.
    Type: Application
    Filed: June 29, 2010
    Publication date: June 23, 2011
    Inventors: Selim SENKAN, Anusorn SEUBSAI