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Residue-free fabric softening article for use in laundry dryer

  • US 4,041,205 A
  • Filed: 10/18/1973
  • Issued: 08/09/1977
  • Est. Priority Date: 10/18/1973
  • Status: Expired due to Term
First Claim
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1. A solid fabric softening and conditioning article in the form of a sheet with a surface to volume ratio of 20:

  • 1 to 400;

    1 which comprises, by weight 10-99% of at least one fabric softening compound selected from the group consisting of cationic, non-ionic, anionic, and zwitterionic fabric softening compounds and as a reinforcing material for such compound 1-40% of finely divided cellouse, microcrystalline protein or nylon fibers of a length of 0.005 to 0.1 mm and a diameter of 0.001 to 0.01 mm to prevent premature disintegration of the article during use in the softening of moving fabrics in the drying zone of an automatic laundry dryer by contact of the article with them to transfer softening agent to them, which reinforcing material gradually disintegrates during use of the softening article and leaves no residue in the drying zone after use thereof.

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