Back to results
US 4,511,730 AGranted
Carbamates of beta-hydroxyethylsulfoxides
AssigneeStandard Oil Company (Indiana)
InventorEllis K. Fields
Life of this patent
Estimating the term…
Abstract
This invention relates to carbamates of beta-hydroxyethylsulfoxides which are useful as cosurfactants in enhanced oil recovery, surfactants and biocides, and as hydraulic fluids when of sufficiently low molecular weight.
Claims5
Carbamates of beta-hydroxyethylsulfoxides of the structural formula ##STR10## wherein R, R' and R" are individually selected from the group consisting of radicals derived from benzene, biphenyl, naphthalene, anthracene, and phenanthrene;
- alkyl moieties of 1 to 22 carbon atoms;
- and aralkyl moieties, alkylated aryl moieties and cycloalkyl moieties containing 4 to 40 carbon atoms, the ring radicals of said moieties being selected from the group consisting of phenyl, biphenyl, and cyclohexyl radicals wherein R' can be substituted with nitro, halogen, cyano and carboalkoxy moieties of 1 to 12 carbon atoms.
Dependencies are inferred from the claim text.