Stabilized cyanamide solutions
US4126664A · kind A · utility
8Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 1, 1977 |
| Grant date | Nov 21, 1978 |
| Priority date | — |
| Expiry date | Sep 1, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01C3/16
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The storage stability of strong or concentrated, aqueous solutions of cyanamide, even those conventionally stabilized with acid, is enhanced by small amounts of lower alkyl esters of carboxylic acids having preferably a pK.sub.a.sup.25.degree. value of 3.8 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.