Patents by Inventor John Pidnebesny

John Pidnebesny 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).

  • Foaming agent
    Patent number: 5466393
    Abstract: A foaming agent having improved foaming performance comprised of a mixture of alkyl sulfates and alkyl ether sulfates which have the general formula: R (CH.sub.2 CH.sub.2 O).sub.y --SO.sub.
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: November 14, 1995
    Assignee: Stepan Company
    Inventors: Ricardo Diez, John Pidnebesny, Susanna Ng
  • Foaming agent
    Patent number: 5240639
    Abstract: A foaming agent having improved foaming performance comprised of a mixture of alkyl sulfates and alkyl ether sulfates which have the general formula: R (CH.sub.2 CH.sub.2 O).sub.y --SO.sub.
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: August 31, 1993
    Assignee: Stepan Company
    Inventors: Ricardo Diez, John Pidnebesny, Susanna Ng