Cleaning of water filtration membranes
US10675589B2 · kind B2 · utility
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2References
16Claims
0Family size
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Key dates
| Filing date | Oct 14, 2016 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Dec 27, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods for cleaning water filtration membranes by treatment with a DNase containing cleaning composition. Optionally the composition also comprises a biocidal and/or other enzymes such as proteases. The DNAse may be derived from Aspergillus oryzae or from Bacillus licheniformis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.