C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/5.3
C11D 3/39 (2006.01) C11D 1/29 (2006.01) C11D 1/83 (2006.01) C11D 3/36 (2006.01) C11D 1/14 (2006.01) C11D 1/75 (2006.01)
Patent
CA 2006531
Solutions of hydrogen peroxide which are alkaline, can be thickened with a combination of surfactant and electrolyte without unacceptable loss of stability. Surfactant may be alkyl ether sulphate: R(OC2H4)n OSO3M or a combination of amine oxide R(CH3)2NO with alkane sulphonate RSO3M or alcohol sulphate ROSO3M where any R is C8 to C20 alkyl and any M is a solubilising cation and n is 0.5 to 5. Stabiliser is present and may be colloidal hydrous stannic oxide or may be a phosphonate as specified in EP-B-9839.
Bereskin & Parr
Plc Unilever
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