Limescale removing composition containing maleic acid

PCT No. PCT/US92/00250 Sec. 371 Date Jul. 19, 1993 Sec. 102(e) Date Jul. 19, 1993 PCT Filed Jan. 21, 1992 PCT Pub. No. WO92/13058 PCT Pub. Date Aug. 6, 1992Compositions are disclosed based on maleic acid for removing lime scale. The compositions contain nonionic surfactant which improves the perform...

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Hauptverfasser:	VOS, EDDY
Format:	Patent
Sprache:	eng
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENT COMPOSITIONS DETERGENTS FATTY ACIDS THEREFROM METALLURGY RECOVERY OF GLYCEROL RESIN SOAPS SOAP OR SOAP-MAKING USE OF SINGLE SUBSTANCES AS DETERGENTS
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Zusammenfassung:	PCT No. PCT/US92/00250 Sec. 371 Date Jul. 19, 1993 Sec. 102(e) Date Jul. 19, 1993 PCT Filed Jan. 21, 1992 PCT Pub. No. WO92/13058 PCT Pub. Date Aug. 6, 1992Compositions are disclosed based on maleic acid for removing lime scale. The compositions contain nonionic surfactant which improves the performance of the maleic acid in the presence of soap scum. The compositions are more effective than corresponding compositions containing saturated dicarboxylic acids, or other acids that have been previously been suggested for the same purpose.