Patents Assigned to Bolton Manitoba S.p.A.
  • Patent number: 8075635
    Abstract: The present invention relates to a material for removing dye released from laundry into the wash water, and for removing limescale, comprising a substrate made of natural and/or synthetic fabric, natural and/or synthetic non-woven fabric and paper, at least one ‘dye scavenging’ additive selected from: cationic heterocyclic polymers, proteins, chitin, chitosan, polyvinylamine (PVA), polyethylenimine (PEI), acrylic polymers, vinyl polymers, polyamine-N-oxide and at least one calcium and magnesium ion sequestrant additive selected from: polyacrylate, polyphosphonate and an EDTA salt. The invention also relates to a process for obtaining said material.
    Type: Grant
    Filed: September 20, 2006
    Date of Patent: December 13, 2011
    Assignees: Orlandi S.p.A., Bolton Manitoba S.p.A.
    Inventors: Vittorio Orlandi, Andrea Agostini, Franscesco Maurizio Orlandini, Paola Curi, Raffaella Meregalli