Cleaning compositions
US4181623A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1978 |
| Grant date | Jan 1, 1980 |
| Priority date | — |
| Expiry date | Mar 15, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/43
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition suitable for cleaning glass or glazed ceramic articles is described which comprises, by weight, 0.05% to 0.5% hydrofluroic acid or an acid salt thereof, a second water-soluble acid selected from the group consisting of 0.02% to 4% of acetic acid, hydroxy acetic acid, propionic acid and lactic acid and 0.05% to 0.8% of a non-oxidizing mineral acid other than hydrofluoric acid, 0.01 to 0.5% of a water-soluble anionic or nonionic organic detergent, 0% to 10% of a solvent selected from the group consisting of C.sub.1 -C.sub.4 alkyl ethers of ethylene glycol, C.sub.1 -C.sub.4 alcohols and C.sub.2 -C.sub.4 ketones and the balance water. Such compositions reduce water spots and stains and leave a shiny finish.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.