Claims
- 1. An alkyl glycoside aqueous solution consisting essentially of
- a) 30-50% by weight of C.sub.10 -C.sub.12 alkyl glycosides;
- b) water; and
- c) 2-5% by weight of a water soluble alcohol selected from the group consisting of methanol, ethanol, propanol, isopropanol, butanol, sec-butyl alcohol, tert-butyl alcohol, ethylene glycol, and propylene glycol; said solution having a pH of from 9 to 11.
- 2. The alkyl glycoside aqueous solution as claimed in claim 1, wherein said water-soluble alcohol is selected from the group consisting of ethanol, isopropyl alcohol, and mixtures thereof.
- 3. The alkyl glycoside aqueous solution as claimed in claim 1, wherein said water-soluble alcohol is ethanol.
- 4. The aqueous solution as claimed in claim 3, wherein said solution has a pH of from 9-10.
- 5. The alkyl glycoside aqueous solution as claimed in claim 1 wherein said component a) alkyl glycosides are selected from the group consisting of decyl glycoside and dodecyl glycoside.
- 6. The aqueous solution as claimed in claim 1, comprising 2-4% by weight c).
- 7. The aqueous solution as claimed in claim 6, wherein said solution has a pH of from 9-10 and wherein said alcohol is ethanol.
- 8. The aqueous solution as claimed in claim 1, wherein said water-soluble alcohol is selected from the group consisting of ethanol and isopropanol.
- 9. The aqueous solution as claimed in claim 1, wherein said solution has a pH of from 9-10.
- 10. An alkyl glycoside aqueous solution consisting essentially of
- a) 30 to 50% by weight of an alkyl glycoside of the formula (I):
- R.sup.1 G.sub.y
- wherein R.sup.1 is a straight or branched-chain alkyl having 10 to 12 carbon atoms, G is a reducing sugar residue having 5 to 6 carbon atoms and y indicates a mean value and is a number equal to 1 to 3;
- b) water; and
- c) 2-5% by weight of a water-soluble alcohol selected from the group consisting of methanol, ethanol, propanol, isopropanol, butanol, sec-butyl alcohol, tert-butyl alcohol, ethylene glycol, and propylene glycol; said solution having a pH of from 9 to 11.
- 11. The aqueous solution as claimed in claim 10, comprising 2-4% by weight c).
- 12. The aqueous solution as claimed in claim 11, wherein said solution has a pH of from 9-10 and wherein said alcohol is ethanol.
- 13. The aqueous solution as claimed in claim 10, wherein said alcohol is ethanol.
- 14. The aqueous solution as claimed in claim 13, wherein said solution has a pH of from 9-10.
- 15. The aqueous solution as claimed in claim 10, wherein said water-soluble alcohol is selected from the group consisting of ethanol and isopropanol.
- 16. The aqueous solution as claimed in claim 10, wherein said solution has a pH of from 9-10.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3-111589 |
May 1991 |
JPX |
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BACKGROUND OF THE INVENTION
This is a Continuation of application Ser. No. 08/207,252 filed on Mar. 8, 1994, now abandoned, which is a continuation of application Ser. No. 07/883,679 filed on May 15, 1992 abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4557729 |
McDaniel et al. |
Dec 1985 |
|
4888325 |
Schroeder et al. |
Dec 1989 |
|
4920100 |
Lehmann et al. |
Apr 1990 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
0301298 |
Feb 1989 |
EPX |
0377883 |
Jul 1990 |
EPX |
Non-Patent Literature Citations (2)
Entry |
Database WPI, Derwent Publications, AN-92-168001, Patent Infomation-DE 4035722, May 14, 1992. |
Database WPI, Derwent Publications, AN-87-349549, Patent Infomation-DE 3619375, Dec. 10, 1987. |
Continuations (2)
|
Number |
Date |
Country |
Parent |
207252 |
Mar 1994 |
|
Parent |
883679 |
May 1992 |
|