Method for dissolution of polymerized soil
US10260026B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Oct 16, 2015 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Nov 5, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for removing polymerized soil by adding to the soil a composition which includes: (a) from 4 to 30 wt % of a hydroxide or alkoxide, (b) from 10 to 96 wt % of a C1-C12 primary alcohol; and (c) from 0 to 75 wt % of an organic solvent which is not a C1-C12 primary alcohol; wherein the composition contains no more than 40 wt % water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.