Sealants for fertilizer compositions containing natural waxes
US5478375A · kind A · utility
16Cited by
6References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 21, 1994 |
| Grant date | Dec 26, 1995 |
| Priority date | — |
| Expiry date | Oct 21, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G5/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Novel sealants for sulfur coated urea fertilizer are comprised mixtures of fatty esters of polyhydric alcohols and polymers which are soluble therein and contain ester, carboxylate, or hydroxyl functionality; said mixtures are preferably crosslinked with a transesterification catalyst, and optionally contain dicarboxylic or tricarboxylic acids with 9 to 60 carbon atoms, or mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.