| Patent Number |
Title Of Patent |
Date Issued |
| 6458726 |
Polypropylene fibers and items made therefrom |
October 1, 2002 |
| Process of producing skin-core fibers and the resulting fibers and nonwoven materials and articles wherein the fibers are composed of a polymer blend of a polyolefin and polymeric bond curve enhancing agents, such as ethylene vinyl acetate polymers. |
| 6177191 |
Internally lubricated fiber, cardable hydrophobic staple fibers therefrom, and methods of making |
January 23, 2001 |
| Hydrophobic polyolefin fibers are provided with an internal hydrophobic polysiloxane of the formula ##STR1##in which X, Y, R.sup.1, and R.sup.2, which may be the same or different, or substituted or unsubstituted independently of each other, are aliphatic groups having not more than |
| 6117546 |
Yarns containing linear low density polyethylene fibers |
September 12, 2000 |
| A yarn comprising linear low density polyethylene fiber and nonmelting fiber or fiber having a melting point higher than the linear low density polyethylene fiber, and structures made therefrom. |
| 6116883 |
Melt spin system for producing skin-core high thermal bond strength fibers |
September 12, 2000 |
| Process and apparatus for spinning polymer filaments permits the obtaining of skin-core filament structure by feeding a polymer composition to a spinnerette at a flow rate sufficient to obtain a spinning speed of about 10 to 200 meters per minute through the spinnerette; heating the poly |
| 5985193 |
Process of making polypropylene fibers |
November 16, 1999 |
| Process of producing skin-core fibers and the resulting fibers and nonwoven materials and articles wherein the fibers are composed of a polymer blend of a polyolefin and polymeric bond curve enhancing agents, such as ethylene vinyl acetate polymers. |
| 5888438 |
Thermally bondable fiber for high strength non-woven fabrics |
March 30, 1999 |
| Thermobondable fiber of at least one first component of polypropylene having a melt flow rate of 0.5-30, and at least one second component of polypropylene having a melt flow rate of 60-1000. |
| 5824613 |
Laminates comprising textile structures comprising linear low density polyethylene fibers |
October 20, 1998 |
| A laminate comprising (1) at least one layer of a textile structure comprising linear low density polyethylene fiber and (2) at least one layer of a textile structure comprising nomnelting fiber or fiber having a melting point higher than the linear low density polyethylene fiber, ne |
| 5763334 |
Internally lubricated fiber, cardable hydrophobic staple fibers therefrom, and methods of making |
June 9, 1998 |
| Hydrophobic polyolefin fibers are provided with an internal hydrophobic polysiloxane of the formula X--[Si(R.sup.1)(R.sup.2)--O--].sub.z --Y, in which X, Y, R.sup.1, and R.sup.2, which may be the same or different, or substituted or unsubstituted independently of each other, are aliphati |
| 5733646 |
Thermally bondable fiber for high strength non-woven fabrics |
March 31, 1998 |
| Thermobondable fiber of at least one first component of polypropylene having a melt flow rate of 0.5-30, and at least one second component of polypropylene having a melt flow rate of 60-1000. |
| 5712209 |
Fabrics comprising filling yarns comprising linear low density polyethylene fibers |
January 27, 1998 |
| A fabric comprising a warp yarn and a filling yarn, wherein the filling yarn comprises linear low density polyethylene fiber and the warp yarn comprises nonmelting fiber or fiber having a melting point higher than the linear low density polyethylene fiber. |
| 5705119 |
Process of making skin-core high thermal bond strength fiber |
January 6, 1998 |
| Process and apparatus for spinning polymer filaments permits the obtaining of skin-core filament structure by feeding a polymer composition to a spinnerette at a flow rate sufficient to obtain a spinning speed of about 10 to 200 meters per minute through the spinnerette; heating the poly |
| 5654088 |
Thermally bondable fiber for high strength non-woven fabrics |
August 5, 1997 |
| Thermobondable fiber of at least one first component of polypropylene having a melt flow rate of 0.5-30, and at least one second component of polypropylene having a melt flow rate of 60-1000. |
| 5629080 |
Thermally bondable fiber for high strength non-woven fabrics |
May 13, 1997 |
| Thermobondable fiber of at least one first component of polypropylene having a melt flow rate of 0.5-30, and at least one second component of polypropylene having a melt flow rate of 60-1000. |
| 5582667 |
Method of preparing multiconstituent fibers and nonwoven structures |
December 10, 1996 |
| Multiconstituent fibers prepared from two or more polymers, with at least one of these polymers being randomly dispersed through the fiber, in the form of domains. At least about 40 percent by weight of these domains have one length of at least 20 microns, measured in the direction along |
| 5554441 |
Random macrodomain multiconstituent fibers, their preparation, and nonwoven structures from such |
September 10, 1996 |
| Multiconstituent fibers prepared from two or more polymers, with at least one of these polymers being randomly dispersed through the fiber, in the form of domains. At least about 40 percent by weight of these domains have one length of at least 20 microns, measured in the direction along |
| 5554437 |
Gamma-sterilizable barrier fabrics |
September 10, 1996 |
| A gamma-sterilizable barrier fabric comprises (1) at least one layer of a gamma-sterilizable nonwoven material comprising cardable multiconstituent staple fibers, at least 50% by weight of the nonwoven material comprising a gamma-sterilizable polymer, and (2) at least one layer of ga |
| 5534340 |
Nonwoven materials comprising 0.5 to 1.2 decitex cardable polyolefin fibers and having liquid st |
July 9, 1996 |
| The fabrics of this invention have a unique combination of liquid barrier properties and high air permeability and comprise at least one carded nonwoven web comprising at least 10% by weight, based on the total weight of cardable fibers, of cardable polyolefin fibers having a fiber finen |
