Title: Laundry detergent substrate articles

Abstract: Substrate articles, containing mixtures of cationic and nonionic surfactants, which yield excellent removal of particulate and greasy/oily soils from fabrics, and wherein the detergent components are rapidly and completely released into the laundry sodlution, are disclosed. Preferred articles additionally contain selected materials which minimize the bleeding of the surfactant components through the substrate sheets. A method of laundering fabrics using these articles is also disclosed.

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Inventors: Cambre, Cushman M. (Blue Ash, OH, US)

Application Number: 864050
Filing Date: 1977-12-23
Publication_date: 1980-04-22
Assignee: The Procter & Gamble Company (Cincinnati, OH)
Primary Class(es): 510/295 510/320, 510/324, 510/331, 510/345, 510/346, 510/350, 510/490, 510/500, 510/504
Other Classes:
US Patent Ref:

2702780	Feb, 1955	Lerner	424/25.
2950253	Aug, 1960	Kling et al.	252/547.
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3936537	Feb, 1976	Baskerville et al.	427/242.
3954642	May, 1976	Schwuger	252/91.
3956155	Apr, 1976	Schwuger	252/91.
3958059	May, 1976	Diehl	428/260.
3959155	May, 1976	Montgomery et al.	252/8.
3959157	May, 1976	Inamorato	252/8.
3974076	Aug, 1976	Wiersema et al.	252/8.
4095946	Jun, 1978	Jones	8/137.
4113630	Sep, 1978	Hagner et al.	252/8.
4118525	Oct, 1978	Jones et al.	427/242.
4156592	May, 1979	Wood	8/137.

Other Refs: 6627108732141053237

Apr, 1965	BE.
Jul, 1961	GB.
Dec, 1966	GB.

Primary Examiner: Willis, Jr., P. E.
Assistant Examiner:
Attorney: Aylor; Robert B., Witte; Richard C., O'Flaherty; Thomas H.