Process for preparing carbetapentane tannate
US6455727B1 · kind B1 · utility
2Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2001 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Dec 14, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention pertains to a process for preparing carbetapentane tannate. The process involves the steps of heating carbetapentane to a temperature of about 80 to about 120° C. and slowly adding tannic acid to the carbetapentane while agitating the reaction mixture. Preferably, no water or any other solvent or diluent is utilized in the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.