Gel composition
US7973085B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2007 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Dec 12, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/31
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A gel composition having the formula R1O-[(AO)k(EO)m(AO)n]-R2 comprises (a) 0.1 to 60 mass % of a block-type alkylene oxide derivative, (b) an oil, and (c) 0.1 to 10 mass % of water. AO represents a C3-C4 oxyalkylene group; EO represents an oxyethylene group; k and n represent average addition mole numbers of the oxyalkylene group and m represents average addition mole number of the oxyethylene group, 1≦m≦70 and 1≦k+n≦70. The oxyethylene group is 20 to 80 mass % with respect to the sum of the oxyalkylene group (AO) and the oxyethylene group. R1 and R2 may be identical to or different from one another and are each a C1-C4 hydrocarbon group or a hydrogen atom. The composition has a continuous phase comprising the oil; and the viscosity of the composition at 25° C. is 500 mPa·s or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.