C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/4.2
C11D 17/04 (2006.01)
Patent
CA 1130694
C.1041/3 ABSTRACT OF THE DISCLOSURE A detergent product comprises a water-insoluble, water-permeable bag containing a particulate detergent composition, the bag material having a water-soluble or removable water-insoluble layer to protect the bag material from the composition and to reduce dusting. The protective layer may be coated on or impregnated into the bag material or may form a continuous layer laminated to the inside of the bag material or may be in the form of a separate inner bag. The water- soluble material may be soluble polyvinyl alcohol. polyethylene glycol, polysaccharide, alkali metal silicate, soap, nonionic detergent, gelatine, salts or esters of alginic acid. The removable water-insoluble material may be a silicone, a fatty acid, a water- insoluble cationic fabric softener, polyvinylacetate, insoluble polyvinyl alcohol, clay, zeolite, calcite, silica, titania or a wax. The bag material may be paper and/or plastics material such as polypropylene The detergent composition is-a fully formulated composition or other fabric treatment material.
339978
Clarke David E.
Davies James F.
Tune John B.
Bereskin & Parr
Unilever Limited
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