Recovery of xanthine stimulants from aqueous media
US4407834A · kind A · utility
12Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1981 |
| Grant date | Oct 4, 1983 |
| Priority date | — |
| Expiry date | Jul 24, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23G1/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the recovery of xanthine stimulants from an aqueous solution containing xanthine stimulants extracted from cocoa material, which comprises contacting the solution with a substantially neutral adsorbent and separating the adsorbent, with the xanthine stimulants adsorbed thereon, from the aqueous solution having a reduced content of xanthine stimulants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.