C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/20 (2006.01) C11D 3/60 (2006.01) C11D 11/00 (2006.01) D06L 1/02 (2006.01) D06L 1/04 (2006.01)
Patent
CA 2413083
A method for dry-cleaning garments which comprises treating the garments with a mixture of dipropylene glycol tertiary-butyl ether (DPTB) and water for a period of time sufficient to effect dry-cleaning, wherein the weight ratio of DPTB to water is at least 9:1.
L'invention porte sur un procédé de nettoyage à sec de vêtements qui consiste à traiter les vêtements avec un mélange de dipropylène glycol tertiaire-butyl éther (DPTB) et de l'eau sur une durée suffisante pour effectuer le nettoyage à sec, le rapport pondéral DPTB /eau étant d'au moins 9:1.
Oyen Wiggs Green & Mutala Llp
Rynex Holdings Ltd.
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