Tobacco humectant, preparation method and use thereof
US10966452B2 · kind B2 · utility
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Key dates
| Filing date | May 28, 2019 |
| Grant date | Apr 6, 2021 |
| Priority date | — |
| Expiry date | May 28, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A tobacco humectant, which is a metal-organic framework material with a three-dimensional structure obtained by a self-assembly of Zr4+ and terephthalic acid or 2-aminoterephthalic acid. The metal-organic framework material with the three-dimensional structure obtained by the self-assembly of the Zr4+ and the terephthalic acid is Uio-66, and the metal-organic framework material with the three-dimensional structure obtained by the self-assembly of the Zr4+ and the 2-aminoterephthalic acid is Uio-66-NH2. A preparation method of the tobacco humectant and a use thereof in tobacco is further provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.