Cleaner and disinfectant with dye
US5110492A · kind A · utility
38Cited by
0References
5Claims
0Family size
Inventor
Key dates
| Filing date | Aug 13, 1990 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Aug 13, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/40
- 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.