Surfactant blends for cleaning filtration membranes
US8933009B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2013 |
| Grant date | Jan 13, 2015 |
| Priority date | — |
| Expiry date | Mar 12, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to the field of membrane separation processes and clean in place compositions for cleaning such membranes. The cleaning compositions can remove proteins, fats, and other food, beverage, and brewery based soils and offer an environmentally friendly alternative surfactant system to NPE. According to the invention, surfactants and polymers useful for this process are unpredictable and specific surfactants, polymers, and combinations of the same are disclosed for use alone, as part of a cleaning composition. Methods of use of the same are also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.