JP2001107078A5 - - Google Patents
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- JP2001107078A5 JP2001107078A5 JP1999286291A JP28629199A JP2001107078A5 JP 2001107078 A5 JP2001107078 A5 JP 2001107078A5 JP 1999286291 A JP1999286291 A JP 1999286291A JP 28629199 A JP28629199 A JP 28629199A JP 2001107078 A5 JP2001107078 A5 JP 2001107078A5
- Authority
- JP
- Japan
- Prior art keywords
- aqueous solution
- surfactant
- mol
- ion
- sodium ion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229940037179 Potassium Ion Drugs 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 229910001414 potassium ion Inorganic materials 0.000 description 6
- NPYPAHLBTDXSSS-UHFFFAOYSA-N potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 6
- FKNQFGJONOIPTF-UHFFFAOYSA-N sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 6
- 229910001415 sodium ion Inorganic materials 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 239000012190 activator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 Ｎ−アシルグルタミン酸塩を含有する水溶液において、Ｎ−アシルグルタミン酸のカルボキシル基１モルに対して、対イオンとしてカリウムイオンとナトリウムイオンを必須成分とし、その総和が０．３５モル以上０．９モル以下であり、かつ、カリウムイオンとナトリウムイオンの当量比率が２０／１から１／５となるように含有することを特徴とするＮ−アシルグルタミン酸塩と水とからなる界面活性剤水溶液。
【請求項２】 Ｎ−アシルグルタミン酸のカルボキシル基１モルに対するカリウムイオンとナトリウムイオンの総和が０．４５以上０．８５以下である事を特徴とする請求項１に記載の界面活性剤水溶液。
【請求項３】 Ｎ−アシルグルタミン酸のカルボキシル基１モルに対するカリウムイオンとナトリウムイオンの総和が０．５以上０．８５以下である事を特徴とする請求項１〜２のいずれかに記載の界面活性剤水溶液。
【請求項４】 カリウムイオンとナトリウムイオンの当量比率が９／１から１／３であることを特徴とする請求項１〜３のいずれかに記載の界面活性剤水溶液。
【請求項５】 カリウムイオンとナトリウムイオンの当量比率が略８５／１５であることを特徴とする請求項１〜４のいずれかに記載の界面活性剤水溶液。
【請求項６】 ｐＨが７以下である事を特徴とする請求項１〜５のいずれかに記載の界面活性剤水溶液。
[Claims]
1. An aqueous solution containing N-acylglutamic acid, wherein potassium ion and sodium ion are essential components as counter ions with respect to 1 mol of carboxyl group of N-acylglutamic acid, and the total amount is 0.35 mol or more. A surfactant comprising N-acylglutamate and water, wherein the surfactant is contained in an amount of 0.9 mol or less and an equivalent ratio of potassium ion to sodium ion is from 20/1 to 1/5. Aqueous solution.
2. The aqueous surfactant solution according to claim 1, wherein the total of potassium ion and sodium ion is 0.45 or more and 0.85 or less with respect to 1 mol of carboxyl group of N-acylglutamic acid.
3. The interface according to claim 1, wherein the total of potassium ion and sodium ion is 0.5 or more and 0.85 or less with respect to 1 mol of carboxyl group of N-acylglutamic acid. Activator aqueous solution.
4. The surfactant aqueous solution according to claim 1, wherein the equivalent ratio of potassium ion to sodium ion is from 9/1 to 1/3.
5. The surfactant aqueous solution according to claim 1, wherein the equivalent ratio of potassium ion to sodium ion is about 85/15.
6. The surfactant aqueous solution according to claim 1, wherein the pH is 7 or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28629199A JP2001107078A (en) | 1999-10-07 | 1999-10-07 | Aqueous surfactant solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28629199A JP2001107078A (en) | 1999-10-07 | 1999-10-07 | Aqueous surfactant solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001107078A JP2001107078A (en) | 2001-04-17 |
| JP2001107078A5 true JP2001107078A5 (en) | 2006-10-19 |
Family
ID=17702488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28629199A Pending JP2001107078A (en) | 1999-10-07 | 1999-10-07 | Aqueous surfactant solution |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001107078A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4666343B2 (en) * | 2004-08-25 | 2011-04-06 | 株式会社資生堂 | Mixture of acyl taurine salts and detergent composition containing the same |
| WO2009024518A1 (en) * | 2007-08-17 | 2009-02-26 | Akzo Nobel N.V. | Alkali metal salt of glutamic acid n,n-diacetic acid, a process to prepare such salt, and the use thereof |
| CN110785161B (en) | 2017-06-23 | 2023-06-20 | 宝洁公司 | Compositions and methods for improving the appearance of skin |
| CA3102288A1 (en) | 2018-07-03 | 2020-01-09 | The Procter & Gamble Company | Method of treating a skin condition |
| WO2021247496A1 (en) | 2020-06-01 | 2021-12-09 | The Procter & Gamble Company | Method of improving penetration of a vitamin b3 compound into skin |
| US10959933B1 (en) | 2020-06-01 | 2021-03-30 | The Procter & Gamble Company | Low pH skin care composition and methods of using the same |
-
1999
- 1999-10-07 JP JP28629199A patent/JP2001107078A/en active Pending
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