C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/37 (2006.01) C11D 3/00 (2006.01) C11D 3/22 (2006.01) C11D 3/50 (2006.01) C11D 11/00 (2006.01) C11D 17/04 (2006.01) D06M 15/285 (2006.01) D06M 23/02 (2006.01) D06P 5/08 (2006.01) D06P 1/52 (2006.01)
Patent
CA 2149547
The present invention relates to compositions and processes which incorporate water-soluble polymers, other than enzymes, containing = N-C( = O)- (including PVP) and/or N-oxide groups into the wash, rinse, and/or drying cycle of a laundering process (e.g., via fabric softening compositions) for dye transfer inhibition in the subsequent wash cycle. Multiple wash cycles optimize the dye transfer inhibitor performance of these polymers, remove unwanted dye discoloration caused by dye transfer, and provide soil antiredeposition benefits.
L'invention concerne des compositions et des procédés qui consistent à utiliser des polymères solubles dans l'eau, autres que des enzymes, contenant = N-C( = O)- (y compris PVP) et/ou des groupes N-oxyde dans le cycle de lavage, de rinçage et/ou de séchage d'un procédé de blanchissage (par l'intermédiaire, par exemple, de compositions assouplissantes) afin d'inhiber le transfert des colorants dans le cycle de lavage suivant. Des cycles de lavage multiples permettent d'optimiser l'efficacité des inhibiteurs de transfert de colorants de ces polymères, de supprimer la décoloration indésirable due au transfert de colorants tout en produisant un effet d'antiredéposition des salissures.
Sung Stephanie Lin-Lin
Tordil Helen Bernardo
Trinh Toan
Wendland Paul Arthur
Dimock Stratton Llp
The Procter & Gamble Company
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