Bar comprising soap, fatty acid, polyalkylene glycol and protic acid salts in critical ratios and providing enhanced skin care benefits
US6342470B1 · kind B1 · utility
26Cited by
12References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2000 |
| Grant date | Jan 29, 2002 |
| Priority date | — |
| Expiry date | Apr 26, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/006
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention discloses bars comprising fatty acid soaps, free fatty acid, polyalkylene glycol and specific salts of protic acid (i.e., having pKa1 less than 6, preferably less than 5.5). Using specific equivalent molar ratios of free fatty acid to protic acid salt and specific wt. ratio of free fatty acid to PAG and salt of protic acid, applicants obtain bars having sensory feel of soap and which improve skin condition is measured in Controlled Application Wash Test.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.