Nonwovens Industry
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Patents

January 20, 2009
A polytetrafluoroethylene fiber was recently granted a patent. The polytetrafluoroethylene fiber exhibits less than 9% shrinkage when subjected to a temperature of 300°C for 30 minutes. The polytetrafluoroethylene fiber is a dispersion spun fiber.…  Read More »
November 25, 2008
A hygiene article has been patented. It comprises a fluid-pervious topsheet, a fluid-impervious backsheet, an absorbent core located between the top- and backsheets and fastening elements for releasably closing the hygiene article when applied to a u…  Read More »
November 25, 2008
Patented is a flame retardant carpet comprising a primary backing capable of being tufted with an upper surface for receiving a carpet material and a lower surface. The primary backing comprises intumescent material coated on or applied to the upper…  Read More »
November 25, 2008
A composite comprising a wound dressing has been patented. It includes an anti-adhesive layer with a xerogel with silica and at least one hydrophobic organic silicon compound. The anti-adhesive layer has a relative coating weight on the wound dressin…  Read More »
November 25, 2008
A mixed polymer composite fiber has been granted a patent. It features a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer and a plurality of non-permanent intra-fiber metal crosslinks.…  Read More »
November 18, 2008
An insulating label stock was patented. It comprises a thermal insulating layer with a thermal resistance in the range of 0.05 to 0.5 CLO (0.0077 to 0.077 m2·K/W) and a first surface. A heat shrinkable face material is laminated directly to the firs…  Read More »
November 18, 2008
A substantially planar self-supporting sheet has been patented. It has on at least one side a substantially continuous adherent coating to create a barrier to oxygen. The coating comprises biopolymer nanoparticles in an amount of at least 20% by dry…  Read More »
November 18, 2008
A porous plastic film produced from a raw material blend was patented. The blend includes a basic material and an additive. A plurality of pores are arranged in the structure of the plastic film. The pores are produced by stretching a preform made fr…  Read More »
November 18, 2008
A heat-sensitive adhesive material comprising has been granted a patent. It includes a substrate and a heat-sensitive adhesive layer comprising a thermoplastic resin and a solid plasticizer. It is configured as to be heated and applied to an adherend…  Read More »
November 18, 2008
A fiber pad comprising a nonwoven fiber batt having a first surface and a second surface has been patented. The first surface has a generally flat shape and the second surface has a convoluted shape. The fiber pad has longitudinal, lateral and traver…  Read More »
November 18, 2008
Patented is a polyester resin composition that comprises, based on 100 weight % of the total polyester resin composition, 30 to 80 weight % of a polybutylene terephthalate resin. It also includes 10 to 40 weight % of another polyethylene terephthalat…  Read More »
November 18, 2008
An infrared-reflective roofing product was patented. The infrared-reflective roofing product features a fibrous web coated with a bituminous coating forming a bitumen-coated web. A coating of at least one powder of an infrared-reflective material is…  Read More »
November 18, 2008
Patented is an article comprising a composite hard coat layer. The composite hard coat layer has a hard coat layer on a surface of the article and an anti-staining surface layer directly on a surface of the hard coat layer. The hard coat layer compri…  Read More »
November 18, 2008
A multi-layer polyimide film, comprising two or more polyimide film layers has been granted a patent. At least one of the two or more polyimide film layers is obtained by imidizing a polyamic acid obtained from the reaction of at least one aromatic d…  Read More »
November 11, 2008
A disposable absorbent article was patented for wear in an a undergarment. The article comprises a longitudinal axis and a transverse axis. The disposable absorbent article also includes a main body portion with longitudinal side edges substantially…  Read More »