Patents by Inventor Martin H. D. Butt

Martin H. D. Butt 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).

  • Olefin oligomerization
    Patent number: 5430212
    Abstract: A catalyst composition comprising a perfluorinated ion-exchange polymer containing sulfonic acid groups supported on an inert carrier having a hydrophobic surface with a mean pore diameter of at least 1000 .ANG.. Use of this catalyst provides improved hydrocarbon conversion processes for oligomerization of olefins, hydration of olefins and hydrolysis of esters.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: July 4, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Martin H. D. Butt, Francis J. Waller
  • Ester hydrolysis
    Patent number: 5315033
    Abstract: A catalyst composition comprising a perfluorinated ion-exchange polymer containing sulfonic acid groups supported on an inert carrier having a hydrophobic surface with a mean pore diameter of at least 1000 .ANG.. Use of this catalyst provides improved hydrocarbon conversion processes for oligomerization of olefins, hydration of olefins and hydrolysis of esters.
    Type: Grant
    Filed: April 19, 1993
    Date of Patent: May 24, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Martin H. D. Butt, Francis J. Waller
  • Olefin hydration
    Patent number: 5233102
    Abstract: A catalyst composition comprising a perfluorinated ion-exchange polymer containing sulfonic acid groups supported on an inert carrier having a hydrophobic surface with a mean pore diameter of at least 1000 .ANG.. Use of this catalyst provides improved hydrocarbon conversion processes for oligomerization of olefins, hydration of olefins and hydrolysis of esters.
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: August 3, 1993
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Martin H. D. Butt, Francis J. Waller
  • Supported perfluorinated ion-exchange polymers
    Patent number: 5094995
    Abstract: A catalyst composition comprising a perfluorinated ion-exchange polymer containing sulfonic acid groups supported on an inert carrier having a hydrophobic surface with a mean pore diameter of at least 1000 .ANG.. Use of this catalyst provides improved hydrocarbon conversion processes for oligomerization of olefins, hydration of olefins and hydrolysis of esters.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: March 10, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Martin H. D. Butt, Francis J. Waller