Title: Hydraulic composition

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Claims: I claim:

1. A hydraulic composition comprising 100 parts by weight of a hydraulic substance and 0.01 - 5 parts by weight of a sulfosuccinic acid derivative, which latter compound is obtained by the addition reaction of a compound selected from the group consisting of maleic acid, fumaric acid, citraconic acid, mesaconic acid and the monoalkali metal salts, dialkali metal salts, alkaline earth metal salts, monoammonium salts and diammonium salts of these acids, with the compound selected from the group consisting of sulfurous acid, alkali metal sulphites, alkaline earth metal sulphites, ammonium sulphite, alkali metal hydrogen sulphites, alkaline earth metal hydrogen sulphites and ammonium hydrogen sulphite.

2. The composition of claim 1 wherein said hydraulic substance is portland cement.

3. The composition of claim 1 wherein said sulfosuccinic acid derivative is trisodium sulfosuccinate or trisodium sulfomethylsuccinate.

4. The composition of claim 1 wherein said sulfosuccinic acid derivative is trisodium sulfosuccinate.

5. The composition of claim 1 wherein said sulfosuccinic acid derivative is trisodium sulfomethylsuccinate.
Other info:

Inventors: Natsuume, Tadao (Kawasaki, JA)

Application Number: 456880
Filing Date: 1974-04-01
Publication_date: 1976-02-03
Assignee: Nippon Zeon Co., Ltd. (Tokyo, JA)
Primary Class(es): 106/809 106/725
Other Classes:
US Patent Ref:

2534915	Dec, 1950	King	106/90.
2790724	Apr, 1957	Bergman	106/90.
3202521	Aug, 1965	Lorenzen	106/90.
3817767	Jun, 1974	Bozer et al.	106/90.

Other Refs:
Primary Examiner: Poer, J.
Assistant Examiner:
Attorney: Sherman & Shalloway