Organosilicon Containing Patents (Class 442/81)
  • Rug and carpet underlays substantially impervious to liquids
    Patent number: 5763040
    Abstract: A carpet underlay comprising a fibrous nonwoven substrate composed of natural or synthetic fibers having in or on it a repellent finish which makes said substrate substantially imprevious to liquids, and a carpet having an underlay substantially impervious to liquids affixed to the carpet back rendering said carpet substantially impervious to liquids are disclosed.
    Type: Grant
    Filed: September 18, 1996
    Date of Patent: June 9, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Peter Michael Murphy, Edward James Greenwood, Joyce Monson Materniak
  • Process for producing a nonwoven web using silane modified elastomeric compositions
    Patent number: 5719219
    Abstract: There is provided a melt extrudable, moisture curable thermoplastic polymer which is produced from a silane modified elastomeric polymer and which has improved hysteresis, reduced stress decay and improved creep properties. The polymer may be processed into a nonwoven web, film or foam which may be laminated to other materials such as spunbond polyolefin layers and may be used in medical, personal care, feminine hygiene and other applications.
    Type: Grant
    Filed: May 25, 1996
    Date of Patent: February 17, 1998
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Ketan N. Shah, Stephen M. Campbell
  • Silane modified elastomeric compositions and articles made therefrom
    Patent number: 5714257
    Abstract: There is provided a melt extrudable, moisture curable thermoplastic polymer which is produced from a silane modified elastomeric polymer and which has improved hysteresis, reduced stress decay and improved creep properties. The polymer may be processed into a nonwoven web, film, fiber or foam which may be laminated to other materials such as spunbond polyolefin layers and may be used in medical, personal care, feminine hygiene and other applications.
    Type: Grant
    Filed: January 18, 1996
    Date of Patent: February 3, 1998
    Inventors: Ketan N. Shah, Stephen M. Campbell
  • Agent for water-repellent treatment of fibers
    Patent number: 5612433
    Abstract: Disclosed is a water repellent for fibers, comprising an acryl-silicone graft copolymer which is prepared by a radical copolymerization reaction of an organopolysiloxane compound containing one radical polymerizable group with radical polymerizable monomers including an acrylate, a methacrylate or a mixture thereof as a main member.
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: March 18, 1997
    Assignees: Shin-Etsu Chemical Co., Ltd., Konishi Co., Ltd.
    Inventors: Ichiro Ono, Kenichi Isobe, Hironori Tsukada, Kenji Ueji, Masakazu Komemushi
  • Rug underlay substantially impervious to liquids
    Patent number: 5601910
    Abstract: A carpet underlay comprising a fibrous non-woven substrate composed of natural or synthetic fibers having in or on it a repellent finish which makes said substrate substantially impervious to liquids.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: February 11, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Peter M. Murphy, Edward J. Greenwood