Transparent toilet soap of light color
US4741854A · kind A · utility
7Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1986 |
| Grant date | May 3, 1988 |
| Priority date | — |
| Expiry date | Nov 4, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/0042
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a method and composition for substantially reducing color in transparent soap bars. Color reduction is achieved by combining in critical ratio a sulphur and a hydride type reducing agent such as sodium metabisulfite with sodium borohydride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.