Cosmetic bases and cosmetics containing the same
US9193654B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2005 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Feb 28, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/007
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Cosmetic bases consisting of alkylene oxide derivatives represented by the general formula (I): Z—{O(AO)l(EO)m—(BO)nH}a(I) wherein Z is a residue derived from a compound having three to nine hydroxyl groups by the removal of the hydroxyl groups; a is 3 to 9; AO is C3-4 oxyalkylone; EO is oxyethylene; l and m represent the average numbers of added C3-4 oxyalkylene molecules and oxyalkylene molecules respectively and satisfy the relationships: 1≦1≦50 and l≦m≦50 respectively; the AO/EO weight ratio is 1/5 to 5/1 and AO's and EO's may be added at random or in block; BO is oxyalkylene having 4 carbon atoms; and n represents the average number of added BO molecules and satisfies the relationship: 0.5≦n≦5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.