Water soluble containers for blends of surface cleaners and corrosion inhibitors
US6280528A · kind A · utility
5Cited by
9References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2000 |
| Grant date | Aug 28, 2001 |
| Priority date | — |
| Expiry date | Dec 19, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/42
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An improved method and/or process for preparing and handling formulations useful in metal treatment baths which includes packaging formulations useful in preparing and/or replenishing aqueous-based baths in water soluble pouches or containers. The present invention includes the selection of components effective in treating metallic surfaces, which may be blended and effectively stored in containers or pouches consisting of polyvinylalcohol film. The present invention reduces the necessity or frequency of personal hand contact by workers with these blends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.