Bar compositions comprising adjuvant powders for delivering benefit agent
US5955409A · kind A · utility
26Cited by
22References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 1997 |
| Grant date | Sep 21, 1999 |
| Priority date | — |
| Expiry date | Mar 21, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Adjuvant powder compositions contain a benefit agent or benefit agents and enhance the delivery of these benefit agent or agents when used as a separate adjuvant during preparation of bar compositions. Carriers used in the formation of the adjuvants must have a melting point high enough to survive a spray-drying process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.