Claims
- 1. A surfactant corresponding to the formula ##STR8## wherein: R and R' are each independently alkyl or alkaryl groups of from about 4 to about 20 carbon atoms;
- R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently alkyl or hydroxyalkyl of from 1 to 4 carbon atoms, allyl or R.sub.1 and R.sub.3 are part of a single ethylene or propylene moiety which joins the two nitrogen atoms to form a 5- or 6-membered cyclic thiourea;
- n is 0 or 1;
- A.sup..crclbar. is an anion.
- 2. The compound defined by claim 1 wherein R and R' are alkyl groups of from about 6 to about 12 carbon atoms.
- 3. The compound defined by claim 2 wherein R.sub.1 -R.sub.4 are each methyl.
- 4. The compound defined by claim 1 wherein R.sub.1 -R.sub.4 are each alkyl.
- 5. The compound defined by claim 4 wherein R.sub.1 -R.sub.4 are each methyl.
- 6. The compound defined by claim 5 wherein R and R' are each butyl, hexyl, octyl or nonylphenyl.
- 7. The compound defined by claim 6 wherein R and R' are each octyl.
- 8. The compound defined by claim 7 wherein A.sup..crclbar. is Br.sup..crclbar..
CROSS REFERENCE TO RELATED APPLICATION
This is a continuation, of application Ser. No. 569,416 filed Apr. 18, 1975, now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3123636 |
Loev et al. |
Mar 1964 |
|
3721581 |
Teramura et al. |
Mar 1973 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
569416 |
Apr 1975 |
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