Composition and method for cleaning/degreasing metal surfaces, especially composites of copper and aluminum
US6251847A · kind A · utility
5Cited by
11References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 7, 1999 |
| Grant date | Jun 26, 2001 |
| Priority date | — |
| Expiry date | Jun 7, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous liquid composition for cleaning and degreasing metal surfaces consists essentially of water and the following dissolved stably dispersed, or both dissolved and stably dispersed components: A) alkali metal borate salts; B) boric acid in excess of any generated by reaction of anions of component a) with water; C) nonionic surfactant; and D) anionic and/or amphoteric surfactants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.