Method of improving the crushing strength and reducing the dust formation and the caking tendency of urea, and urea composition
US7816561B2 · kind B2 · utility
0Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2005 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Jan 9, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G3/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a method of improving the crushing strength and reducing the dust formation and the caking tendency of urea particles by the addition of an organic compound to the molten urea, where at least one carbohydrate and optionally a polyvinyl compound is added to the urea. The invention also relates to a composition to be used as a urea additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.