Color changing liquid cleaning composition comprising red dyes
US6331515A · kind A · utility
9Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2001 |
| Grant date | Dec 18, 2001 |
| Priority date | — |
| Expiry date | Aug 6, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/2044
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid cleaning composition comprising: a surfactant, a red dye, sodium bisulfite, and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.