Appeal No. 2000-1877
Application No. 08/881,457
activators, ancillary anionic surfactants, organic
detergent builders and inorganic alkalinity
sources and combinations of said particulate
material types.
The examiner relies on the following references:
Houghton et al. (Houghton) EP 0 510 762 A2 Oct. 28, 1992
(published European Patent Application)
Kong-Chan et al. (Kong-Chan) WO 96/10072 Apr. 4, 1996
(published World Intell. Prop. Org. Application)
The following rejections are at issue in this appeal:
(1) Claims 1-17 are rejected under 35 U.S.C. § 103 as
unpatentable over Houghton.
(2) Claims 1-17 are rejected under 35 U.S.C. § 103 as
unpatentable over Kong-Chan.
Discussion
Claim 1 is directed to a non-aqueous liquid detergent
composition in the form of a suspension of solid, substantially
insoluble particulate material dispersed throughout a structured,
surfactant-containing liquid phase. The structured, surfactant-
containing liquid phase is formed by combining one or more non-
aqueous organic diluents and an anionic surfactant-containing
powder. The powder is formed by co-drying (a) one or more alkali
metal salts of C10-C16 linear alkyl benzene sulfonic acids and (b)
3
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