Title: Powdered detergent compositions containing a calcium salt of an anionic surfactant

Abstract: The present invention relates to an improved mechanically mixed, non-spray dried, built laundry detergent composition comprising the calcium salt of a non-soap, organic, anionic surface active agent, an ethoxylated alcohol nonionic surfactant, and an alkali metal salt of a phosphate sequesterant builder compound.

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Inventors: Kowalchuk, John (Palisades Park, NJ, US)

Application Number: 850321
Filing Date: 1977-11-10
Publication_date: 1979-01-30
Assignee: Lever Brothers Company (New York, NY)
Primary Class(es): 510/351 510/352, 510/495, 510/497
Other Classes:
US Patent Ref:

3867317	Feb, 1975	Woo et al.	252/555.
3925224	Dec, 1975	Winston	252/540.
3951879	Apr, 1976	Wixon	252/528.
3998750	Dec, 1976	Payne et al.	252/108.
4017409	Apr, 1977	Demessemaekers et al.	252/531.
4049586	Sep, 1977	Collier	252/532.

Other Refs:
Primary Examiner: Pitlick, Harris A.
Assistant Examiner:
Attorney: Dusyn; Kenneth F., Farrell; James J., Kurtz; Melvin H.