Phosphorylated glyceryl ether aluminum salt
US7371740B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2004 |
| Grant date | May 13, 2008 |
| Priority date | — |
| Expiry date | Sep 27, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/091
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a phosphorylated glyceryl ether aluminum salt represented by the general formula (1):(wherein R1 represents an alkyl or an alkenyl group with 8 to 32 carbon atoms; R2 represents a hydrogen atom, a phosphoric acid residue or —CH2CH(OR2)CH2OR1 (wherein R1 and R2 are the same as described above, provided that a repeated binding number is 4 at the most when R2 is —CH2CH(OR2)CH2OR1); X1 represents a hydrogen atom or a phosphoric acid residue, and at least one of X1 and R2 is a phosphoric acid residue; Y represents an alkali metal atom or an alkaline earth metal atom; m represents a number from 0.3 to 1, and n represents a number from 0 to 1), and an external dermatological agent containing the same. The compound has benefits such as an excellent pore contracting activity and also a good solubility in oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.