Cleaner and disinfectant with dye
US5057303A · kind A · utility
25Cited by
3References
4Claims
0Family size
Inventor
Key dates
| Filing date | Aug 13, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Aug 13, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D9/444
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cleaning composition for surfaces which contains a disappearing dye which can include a germicide. The composition is packaged airtight. The dye is pH sensitive so that upon exposure to air the dye disappears. The delivery of the cleaner gives a visual check as to the surface contacted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.