Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Aldehyde doai
Patent
1991-02-12
1994-03-15
Ivy, C. Warren
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Aldehyde doai
71DIG1, 252357, B01F 1778, H01N 3700
Patent
active
052946444
ABSTRACT:
The invention relates to properties and uses of N-hydrocarbon substituted lactams, particularly N-alkyl substituted lactams having the formula ##STR1## wherein R' is a hydrophobic radical such as linear or branched chain alkyl group containing from 8 to 27 carbon atoms, most preferably micelle forming pyrrolidones having 12 to 16 carbon atoms in the R' group. The invention particularly relates to the uses of the N-hydrocarbon substituted lactams which involve surfactant properties, such as solubility, wetting, viscosity building, emulsifying and/or complexing properties.
REFERENCES:
patent: 3988318 (1976-10-01), Copes et al.
Chemical Abstract, vol. 84, 16587a, 1976, Denzinger et al, "Water-Insoluble Slightly-Swelling N-Vinyl Lactan Polymer With Improved Adsorption".
Chemical Abstract, vol. 80, 413852, 1974, Nakagaki et al, "Phase Separators and Surface Tension of HCl and Solution of N-Dodecyl-2-Pyrrolidone".
Chaudhuri Ratan K.
Haldar Rama K.
Hashem Mohamed M.
Helioff Michael W.
Login Robert B.
Covington Raymond
Goldberg Jules E.
ISP Investments Inc.
Ivy C. Warren
Maue Marilyn J.
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