Aqueous soluble mixed complex organic salts of aluminum sulfate
US4077917A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 8, 1975 |
| Grant date | Mar 7, 1978 |
| Priority date | — |
| Expiry date | Sep 8, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/05
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Mixed complex organic salts of aluminum sulfate are prepared. The mixed complex salts are soluble in aqueous solutions and have surface active properties. The organic portion of the mixed salts is derived from a member selected from the group of a neutralized salt of an aliphatic alcohol sulfate; an alkylaryl sulfate; an alkyl, aryl, or alkylaryl sulfonate; a dialkyl or alkyloxyalkylene sulfosuccinate; an N-acyl-N-alkyl taurate; a sulfoalkyl ester of a fatty acid; and a sulfated ethylene oxide-propylene oxide block copolymer. Ethylene oxide, propylene oxide, or butylene oxide, or polymers thereof, can be introduced into the organic portion of the mixed salt to obtain a mixed complex aluminum salt which is completely soluble upon any degree of dilution. Non-ethoxylated salts, non-propoxylated and non-butoxylated salts become insoluble upon dilution at specific dilution points depending on the cation of the neutralized salt used to form the mixed complex salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.