Mild, rinse-off antimicrobial liquid cleansing compositions which provide residual benefit versus gram negative bacteria
US5968539A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1997 |
| Grant date | Oct 19, 1999 |
| Priority date | — |
| Expiry date | Jun 4, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a rinse-off antimicrobial cleansing composition comprising from about 0.001% to about 5% of an antimicrobial active, from about 1% to about 80% of an anionic surfactant, from about 0.1% to about 12% of a proton donating agent; and from about 3% to about 98.899% of water, wherein the composition is adjusted to a pH of from about 3.0 to about 6.0, wherein the rinse-off antimicrobial cleansing composition has a Gram Negative Residual Effectiveness Index of greater than about 0.3, and wherein the rinse-off antimicrobial cleansing composition has a Mildness Index of greater than 0.3. The invention also encompasses methods for cleansing skin and providing residual effectiveness versus Gram negative bacteria using these products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.