Patents by Inventor Lauren K. Cran

Lauren K. Cran 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).

  • Method of making nonwoven sheet materials, tapes
    Patent number: 5679190
    Abstract: Nonwoven sheet materials, and pressure sensitive adhesive tapes formed from nonwoven sheet materials are provided. The nonwoven sheet materials comprise a randomly interlaced fibrous web of tensilized nonfracturable staple fibers and binder fibers, wherein the fibrous web is pattern embossed, and is interbonded by a chemical bonding agent, physical entanglement, or a combination thereof, and further wherein the nonwoven sheet material is readily finger-tearable in the cross web direction. Methods of making nonwoven sheet materials and adhesive tapes are also provided.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: October 21, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John E. Riedel, Lauren K. Cran
  • Nonwoven sheet materials, tapes and methods
    Patent number: 5631073
    Abstract: Nonwoven sheet materials, and pressure sensitive adhesive tapes formed from nonwoven sheet materials are provided. The nonwoven sheet materials comprise a randomly interlaced fibrous web of tensilized nonfracturable staple fibers and binder fibers, wherein the fibrous web is pattern embossed, and is interbonded by a chemical bonding agent, physical entanglement, or a combination thereof, and further wherein the nonwoven sheet material is readily finger-tearable in the cross web direction. Methods of making nonwoven sheet materials and adhesive tapes are also provided.
    Type: Grant
    Filed: September 16, 1996
    Date of Patent: May 20, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John E. Riedel, Lauren K. Cran
  • Nonwoven sheet materials, tapes and methods
    Patent number: 5496603
    Abstract: Nonwoven sheet materials, and pressure sensitive adhesive tapes formed from nonwoven sheet materials are provided. The nonwoven sheet materials comprise a randomly interlaced fibrous web of tensilized nonfracturable staple fibers and binder fibers, wherein the fibrous web is pattern embossed, and is interbonded by a chemical bonding agent, physical entanglement, or a combination thereof, and further wherein the nonwoven sheet material is readily finger-tearable in the cross web direction. Methods of making nonwoven sheet materials and adhesive tapes are also provided.
    Type: Grant
    Filed: May 16, 1995
    Date of Patent: March 5, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John E. Riedel, Lauren K. Cran