Patents by Inventor Samantha J. Evans

Samantha J. Evans 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).

  • Multicomponent superabsorbent fibers
    Patent number: 6376072
    Abstract: Multicomponent superabsorbent fibers are disclosed. The multicomponent fibers comprise at least one acidic water-absorbing resin and at least one basic water-absorbing resin. Each fiber contains at least one microdomain of the acidic resin in contact with, or in close proximity to, at least one microdomain of the basic resin. Blends of multicomponent superabsorbent fibers with particles of a second water-absorbing resin also are disclosed. Articles containing the multicomponent superabsorbent fibers also are disclosed.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: April 23, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Samantha J. Evans, John A. Henderson, Michael A. Mitchell, Anthony S. Tomlin
  • Multicomponent superabsorbent fibers
    Publication number: 20020015846
    Abstract: Multicomponent superabsorbent fibers are disclosed. The multicomponent fibers comprise at least one acidic water-absorbing resin and at least one basic water-absorbing resin. Each fiber contains at least one microdomain of the acidic resin in contact with, or in close proximity to, at least one microdomain of the basic resin. Blends of multicomponent superabsorbent fibers with particles of a second water-absorbing resin also are disclosed. Articles containing the multicomponent superabsorbent fibers also are disclosed.
    Type: Application
    Filed: May 17, 2001
    Publication date: February 7, 2002
    Applicant: BASF Aktiengesellschaft
    Inventors: Samantha J. Evans, John A. Henderson, Michael A. Mitchell, Anthony S. Tomlin
  • Multicomponent superabsorbent fibers
    Patent number: 6342298
    Abstract: Multicomponent superabsorbent fibers are disclosed. The multicomponent fibers comprise at least one acidic water-absorbing resin and at least one basic water-absorbing resin. Each fiber contains at least one microdomain of the acidic resin in contact with, or in close proximity to, at least one microdomain of the basic resin. Blends of multicomponent superabsorbent fibers with particles of a second water-absorbing resin also are disclosed. Articles containing the multicomponent superabsorbent fibers also are disclosed.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: January 29, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Samantha J. Evans, John A. Henderson, Michael A. Mitchell, Anthony S. Tomlin