Hydrogel soap
US6090763A · kind A · utility
8Cited by
11References
29Claims
0Family size
Inventors
Key dates
| Filing date | Feb 28, 1994 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | Feb 28, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/006
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
What is disclosed herein are new and novel hydrogel soaps and a process for obtaining them which comprises providing surface active agents in a pre-hydrogel mixture, and then forming the hydrogel. The process affords solid soaps which do not change significantly in size during use, have wide varying mechanical properties including high strengths in spite of the very high water content of the soaps, and moreover, unexpectedly provide uniform release of the surfactants and/or detergents slowly over a long period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.