The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 2011
Filed:
Sep. 20, 2006
Vittorio Orlandi, Arsago Seprio, IT;
Andrea Agostini, Milan, IT;
Franscesco Maurizio Orlandini, Codogno, IT;
Paola Curi, Brunate, IT;
Raffaella Meregalli, Desio, IT;
Vittorio Orlandi, Arsago Seprio, IT;
Andrea Agostini, Milan, IT;
Franscesco Maurizio Orlandini, Codogno, IT;
Paola Curi, Brunate, IT;
Raffaella Meregalli, Desio, IT;
Orlandi S.p.A., Milan, IT;
Bolton Manitoba S.p.A., Milan, IT;
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.