Urea mixtures and methods for making and using same
US9109123B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Mar 11, 2014 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Mar 11, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D161/24
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Urea mixtures and methods for making and using same are provided. In at least one specific embodiment, the urea mixture can include urea, a urea-aldehyde resin, a liquid medium, and a sugar. The urea mixture can have an aldehyde to urea molar ratio of about 0.2:1 to about 0.7:1. The urea mixture can have a sugar concentration of about 2 wt % to about 8 wt %, based on the combined weight of the urea, the urea-aldehyde resin, the liquid medium, and the sugar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.