Patents by Inventor William Herman Gerdes

William Herman Gerdes 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: 8357813
    Abstract: The invention provides a process for the epoxidation of an olefin, which process comprises reacting a feed comprising an olefin and oxygen in the presence of a catalyst comprising a carrier and silver deposited on the carrier, which carrier comprises at least 85 weight percent ?-alumina and has a surface area of at least 1.3 m2/g, a median pore diameter of more than 0.8 ?m, and a pore size distribution wherein at least 80% of the total pore volume is contained in pores with diameters in the range of from 0.1 to 10 ?m and at least 80% of the pore volume contained in the pores with diameters in the range of from 0.1 to 10 ?m is contained in pores with diameters in the range of from 0.3 to 10 ?m.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: January 22, 2013
    Assignee: Shell Oil Company
    Inventors: William Herman Gerdes, John Robert Lockemeyer, Donald James Remus, Thomas Szymanski, Randall Clayton Yeates
  • Patent number: 8357825
    Abstract: A process for preparing a 1,2-diol, a 1,2-diol ether or an alkanolamine comprising converting an olefin oxide, wherein the olefin oxide has been obtained by a process for the epoxidation of an olefin, said process comprising using a catalyst comprising a carrier and silver deposited thereon, wherein the carrier comprises at least 85 weight percent ?-alumina and has a surface area of at least 1.3 m2/g, a median pore diameter of more than 0.8 ?m, and a pore size distribution wherein at least 80% of the total pore is contained in pores with diameters in the range of from 0.1 to 10 ?m, and at least 80% of the pore volume contained in the pores with diameters in the range of from 0.1 to 10 ?m is contained in pores with diameters in the range of from 0.3 to 10 ?m.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: January 22, 2013
    Assignee: Shell Oil Company
    Inventors: William Herman Gerdes, John Robert Lockemeyer, Donald James Remus, Thomas Szymanski, Randall Clayton Yeates
  • Publication number: 20120136166
    Abstract: The invention provides a process for the epoxidation of an olefin, which process comprises reacting a feed comprising an olefin and oxygen in the presence of a catalyst comprising a carrier and silver deposited on the carrier, which carrier comprises at least 85 weight percent ?-alumina and has a surface area of at least 1.3 m2/g, a median pore diameter of more than 0.8 ?m, and a pore size distribution wherein at least 80% of the total pore volume is contained in pores with diameters in the range of from 0.1 to 10 ?m and at least 80% of the pore volume contained in the pores with diameters in the range of from 0.1 to 10 ?m is contained in pores with diameters in the range of from 0.3 to 10 ?m.
    Type: Application
    Filed: November 18, 2011
    Publication date: May 31, 2012
    Applicant: SHELL OIL COMPANY
    Inventors: William Herman GERDES, John Robert LOCKEMEYER, Donald James REMUS, Thomas SZYMANSKI, Randall Clayton YEATES
  • Publication number: 20120065433
    Abstract: A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1.3 m2/g, a median pore diameter of more than 0.8 ?m, and a pore size distribution wherein at least 80% of the total pore volume is contained in pores with diameters in the range of from 0.1 to 10 ?m and at least 80% of the pore volume contained in the pores with diameters in the range of from 0.1 to 10 ?m is contained in pores with diameters in the range of from 0.
    Type: Application
    Filed: November 18, 2011
    Publication date: March 15, 2012
    Applicant: SHELL OIL COMPANY
    Inventors: William Herman GERDES, John Robert LOCKEMEYER, Donald James REMUS, Thomas SZYMANSKI, Randall Clayton YEATES
  • Patent number: 8084390
    Abstract: A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1.3 m2/g, a median pore diameter of more than 0.8 ?m, and a pore size distribution wherein at least 80% of the total pore volume is contained in pores with diameters in the range of from 0.1 to 10 ?m and at least 80% of the pore volume contained in the pores with diameters in the range of from 0.1 to 10 ?m is contained in pores with diameters in the range of from 0.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: December 27, 2011
    Assignee: Shell Oil Company
    Inventors: William Herman Gerdes, John Robert Lockemeyer, Donald James Remus, Thomas Szymanski, Randall Clayton Yeates
  • Publication number: 20090177016
    Abstract: A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 ?m represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.
    Type: Application
    Filed: March 10, 2009
    Publication date: July 9, 2009
    Applicant: Sell Oil Company
    Inventors: John Robert LOCKEMEYER, Randall Clayton Yeates, Thomas Szymanski, Donald James Remus, William Herman Gerdes
  • Publication number: 20090131695
    Abstract: A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1.3 m2/g, a median pore diameter of more than 0.8 ?m, and a pore size distribution wherein at least 80% of the total pore volume is contained in pores with diameters in the range of from 0.1 to 10 ?m and at least 80% of the pore volume contained in the pores with diameters in the range of from 0.1 to 10 ?m is contained in pores with diameters in the range of from 0.
    Type: Application
    Filed: June 6, 2006
    Publication date: May 21, 2009
    Inventors: William Herman Gerdes, John Robert Lockemeyer, Donald James Remus, Thomas Szymanski, Randall Clayton Yeates
  • Publication number: 20030162984
    Abstract: A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 &mgr;m represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.
    Type: Application
    Filed: February 25, 2003
    Publication date: August 28, 2003
    Inventors: John Robert Lockemeyer, Randall Clayton Yeates, Thomas Szymanski, Donald James Remus, William Herman Gerdes