Patents Represented by Attorney, Agent or Law Firm William J. Bond
  • Frontal tape-based diaper closure system
    Patent number: 5300057
    Abstract: A tape closure system exhibiting high shear and high non-shocky peel to a low adhesion backsize coated substrate is disclosed. The adhesive used on the fastening tape used in the closure system comprises a high diblock (.gtoreq.25 percent) styrene-isoprene-styrene elastomer component with a composite midblock glass transition temperature of 244 to 264 Kelvin with 30 to 60 percent elastomer.
    Type: Grant
    Filed: September 24, 1992
    Date of Patent: April 5, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John A. Miller, Earl Tate, Jr., Ruben E. Velasquez Urey, Yasuhiro Kono, Yoshihiro Akiyama, Robert S. Mulder
  • Organopolysiloxane-polyurea block copolymer release agents
    Patent number: 5290615
    Abstract: Block copolymers having a repeating unit comprised of polysiloxane and urea segments are prepared by copolymerizing certain diaminopolysiloxanes with diisocyanates. The invention also provides novel diaminopolysiloxanes useful as precursors in the preparation of the block copolymers and a method of making such diaminopolysiloxanes. Pressure-sensitive adhesive compositions comprising the block copolymer are also provided as are sheet materials coated with the same.
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: March 1, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Leonard A. Tushaus, Gary T. Widerholt
  • Oriented profile fibers
    Patent number: 5277976
    Abstract: A method for providing a shaped fiber is provided, which shaped fiber closely replicates the shape of the die orifice. The polymer is spun at a melt temperature close to a minimum flow temperature and under a high drawdown.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: January 11, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Donald H. Hogle, Peter M. Olofson
  • Wipe materials based on multi-layer blown microfibers
    Patent number: 5258220
    Abstract: An absorbent wipe material formed from microfibers having multiple layers of an elastomeric material and a non-elastomeric material.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: November 2, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Eugene G. Joseph
  • Method of making transparent film from multilayer blown microfibers
    Patent number: 5248455
    Abstract: Method of making a transparent film by forming two or more melt streams, combining the melt streams into a multilayer melt stream, extruding the layered melt stream and attenuating with an airstream to form multilayer microfibers, collecting the microfibers as a nonwoven web, and consolidating the web under heat and pressure. At least one of the melt streams is a thermoplastic elastomer and at least one of the melt streams is a thermoplastic material. The transparent web has a generally continuous elastomeric phase with an included array of thermoplastic microfibers.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: September 28, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Eugene G. Joseph, James A. Rustad
  • Pattern-coated anchorage system for porous film
    Patent number: 5242726
    Abstract: An adhesive laminate structure composed of three layers is provided. A smooth thermoplastic film acts as a release liner without any release coating in combination with an acrylate adhesive and an oil-containing substrate.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: September 7, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Timothy P. Pariseau, Terry L. Morris
  • Stretchable nonwoven webs based on multi-layer blown microfibers
    Patent number: 5238733
    Abstract: A highly conformable and deformable nonwoven web comprising melt-blown microfibers having multiple layers of a relatively low modulus material and a high modulus material.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: August 24, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Eugene G. Joseph, Leigh E. Wood, Dennis L. Krueger, Paul R. Suszko, Daniel E. Meyer
  • Composite laminate adhesive tape coiled in an endless roll form and process for forming the laminate adhesive tape roll
    Patent number: 5234517
    Abstract: Composite laminated adhesive tape coiled endlessly in roll form, comprising a central tape and first and third fastening tapes each disposed at respective ends thereof, with the surface of said fastening tapes being provided, at least partly, with pressure-sensitive adhesive, wherein in cross section the composite laminated adhesive tape coiled endlessly in roll form is folded in Z-form, with the top, slanted and bottom bars of the Z-shape being formed by separate first, second and third tape sections of first fastening tape, second central tape and third fastening tape, respectively.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: August 10, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Peter H. K. Pape, Jorg O. P. Tuschy
  • High temperature stable nonwoven webs based on multi-layer blown microfibers
    Patent number: 5232770
    Abstract: A heat-stable melt-blown web of multi-layer microfibers comprising at least two layers of a heat-stable melt-blowable material and at least one included layer of a second material.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: August 3, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Eugene G. Joseph
  • Elastic strand construction
    Patent number: 5232777
    Abstract: An elastic strand construction comprising a plurality of spaced ribs separated by thin zones is provided. The elastic strand construction is preferred for applications in disposable garments or the like. A method of manufacturing the preferred elastic strand comprises extrusion of polymeric material through a profiled die or the like. In the alternative, a method of formation comprising extrusion between a profiled roller arrangement is described. A preferred disposable garment construction utilizing elastic strands according to the present invention is described.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: August 3, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Alan J. Sipinen, Leigh E. Wood, Bradley W. Eaton
  • Scrim inserted electrostatic fibrous filter web
    Patent number: 5230800
    Abstract: Provided is a nonwoven web of electrically charged fibers needle-punched to a scrim support. This web provides a filter medium having increased uniformity in pressure-drop, basis weight and filtration performance.
    Type: Grant
    Filed: February 20, 1992
    Date of Patent: July 27, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: David L. Nelson
  • Degradable thermophastic compositions and blends with naturally biodegradable polymers
    Patent number: 5216043
    Abstract: The invention provides a compostable thermoplastic polymer composition comprising a thermoplastic polymer, a transition metal salt selected from cobalt, manganese, copper, cerium, vanadium and iron, and a fatty acid or ester having 10 to 22 carbon atoms providing unsaturated species and free acid. The composition will oxidatively degrade to an embrittled state within at least 14 days at 60.degree. C. and a relative humidity of at least eighty percent.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: June 1, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Alan J. Sipinen, Jobst T. Jaeger, Denise R. Rutherford, Elizabeth C. Edblom
  • Method of forming a web of melt blown layered fibers
    Patent number: 5207970
    Abstract: A method for forming melt-blown fiber webs which webs have multiple layers of polymeric material. The method provides novel webs and control over web properties.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: May 4, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Eugene G. Joseph, Daniel E. Meyer
  • Film materials based on multi-layer blown microfibers
    Patent number: 5190812
    Abstract: An extensible transparent film is provided having a continuous phase of a low modulus or elastomeric material and an included array of entangled microfibers. The film turns opaque and increases moisture vapor transmission when stretched.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: March 2, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Eugene G. Joseph, James A. Rustad
  • Composite laminate adhesive tape coiled in an endless roll form and process for forming the laminate adhesive tape roll
    Patent number: 5182156
    Abstract: Composite laminated adhesive tape coiled endlessly in roll form, comprising a central tape and first and third fastening tapes each disposed at respective ends thereof, with the surface of said fastening tapes being provided, at least partly, with pressure-sensitive adhesive, wherein in cross section the composite laminated adhesive tape coiled endlessly in roll form is folded in Z-form, with the top, slanted and bottom bars of the Z-shape being formed by separate first, second and third tape sections of first fastening tape, second central tape and third fastening tape, respectively.
    Type: Grant
    Filed: October 3, 1991
    Date of Patent: January 26, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Peter H. K. Pape, Jorg O. P. Tuschy
  • Modulus nonwoven webs based on multi-layer blown microfibers
    Patent number: 5176952
    Abstract: A high modulus nonwoven web is produced using a high modulus material and a self-bonding material formed as multi-layer melt-blown microfibers where the web modulus is greater the MX.sub.1 +MX.sub.2 where M.sub.1 and M.sub.2 represent the modulus values of webs formed from the two materials and X.sub.1 and X.sub.2 represent the respective volume portions of the materials in the web fibers.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: January 5, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Eugene G. Joseph, Daniel E. Meyer
  • Transparent indicia embossed film
    Patent number: 5133707
    Abstract: A composite adhesive fastening tape and tape system for interconnecting printed surfaces, which includes a transparent main film portion with an embossed surface defined logo or symbol or the like and coated on one surface with an adhesive, in the tape system is included a target film portion, which target film portion is optionally decorated by colored numbers, letters, patterns, shapes or figures.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: July 28, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Wallace S. Rogers, Alan J. Sipinen
  • Attachment tape for foam-backed absorbent product
    Patent number: 5128187
    Abstract: A polyethylene-containing foam-backed absorbent article having an adhesive patch comprised of 25 to 50 parts of an A-B block copolymer and 25-50 parts of solid tackifying resin and liquid resin and/or plasticizing oil. The adhesive not exhibiting any adhesive transfer when removed from a cotton fabric after one hour at 100.degree. F. and 0.25 P.S.I.
    Type: Grant
    Filed: December 11, 1990
    Date of Patent: July 7, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Stephen P. Polski
  • Heat-shrinkable film having high shrinkage upon brief exposure to low activation temperature
    Patent number: 5127977
    Abstract: Disposable diapers can be manufactured at high production speeds by using for the waistband a heat-shrinkable plastic film that is dimensionally stable at ordinary room temperatures and shrinks in one direction at least 25% within 5 seconds at 54.degree. C. Such a heat-shrinkable plastic film can be made by uniaxially cold-stretching a thin extrudate of a blend of an EVA copolymer and an (A-B) block copolymer of polystyrene and polyisoprene.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: July 7, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Bradley W. Eaton, Leigh E. Wood
  • Flexible bag closure system
    Patent number: 5120138
    Abstract: A bag and liner, wherein the bag is maintained open by an attached elastic band. Preferably, the elastic is placed on either side of at least one gusset fold(s) in an untensioned state, so as to bridge the gusset. When the bag top is folded over a container rim, the elastic is stretched on the outside of the container. This placement permits the bag to be folded flat while providing a means to keep the bag open during use. The elastic is useful as a closure after use.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: June 9, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Roland R. Midgley, Keith E. Moe, Bradley W. Eaton, William J. Bond