Acidic compositions including reducing agents for scale and decolorization of metal stains
US9103038B2 · kind B2 · utility
7Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 2012 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Aug 24, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3472
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An acidic destaining composition for removing hard water and metal stains is disclosed. The composition comprises an acid in combination with a reducing agent and may preferably be formulated as a solid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.