| abstract |
1,166,857. Detergents. COLLATE-PALMOLIVE CO. 2 Aug., 1966 [4 Aug., 1965; 10 May, 1966], No. 34589/66. Heading C5D. [Also in Division C2] Liquid detergent compositions comprise a sodium alkenyl sulphonate of 5 to 30 carbon atoms and tetrapotassium pyrophosphate, the sulphonate being produced by reacting a monoolefin with SO 3 and then with cone. H 2 SO 4 under substantially non-hydrolysing conditions prior to neutralization with hot aqueous NaOH. Exemplified compositions also include potassium xylene sulphonate, the sodium sulphate of an ethoxylated C 14 -C 18 alcohol, lauryl-myristyl dimethylamine oxide, lauric-myristic diethanolamide, lauric-myristic isopropanolamide, carboxymethyl cellulose, polyvinyl alcohol, an aqueous emulsion of castor oil, an N-alkyldimethylbenzylammonium chloride (C 12 , C 14 or C 16 ),sodium tallow alcohol sulphate, and condensation product of ethylene oxide with propylene oxide and propylene glycol and a sodium salt of mono-sulphonated tridecylbenzene. |